<SEC-DOCUMENT>0001752724-21-020699.txt : 20210211
<SEC-HEADER>0001752724-21-020699.hdr.sgml : 20210211
<ACCEPTANCE-DATETIME>20210211144101
ACCESSION NUMBER:		0001752724-21-020699
CONFORMED SUBMISSION TYPE:	N-CEN
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20201130
FILED AS OF DATE:		20210211
DATE AS OF CHANGE:		20210211
EFFECTIVENESS DATE:		20210211

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MFS HIGH INCOME MUNICIPAL TRUST
		CENTRAL INDEX KEY:			0000845606
		IRS NUMBER:				043039022
		FISCAL YEAR END:			1130

	FILING VALUES:
		FORM TYPE:		N-CEN
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-05754
		FILM NUMBER:		21618845

	BUSINESS ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		24TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		617-954-5000

	MAIL ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		24TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLONIAL HIGH INCOME MUNICIPAL TRUST
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CEN
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?>
<edgarSubmission xmlns="http://www.sec.gov/edgar/ncen" xmlns:com="http://www.sec.gov/edgar/common">
  <schemaVersion>X0303</schemaVersion>
  <headerData>
    <submissionType>N-CEN</submissionType>
    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <filer>
        <issuerCredentials>
          <cik>0000845606</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
        <fileNumber>811-05754</fileNumber>
      </filer>
      <flags>
        <returnCopyFlag>false</returnCopyFlag>
        <overrideInternetFlag>false</overrideInternetFlag>
        <confirmingCopyFlag>false</confirmingCopyFlag>
      </flags>
      <investmentCompanyType>N-2</investmentCompanyType>
    </filerInfo>
  </headerData>
  <formData>
    <generalInfo reportEndingPeriod="2020-11-30" isReportPeriodLt12="N"/>
    <registrantInfo>
      <registrantFullName>MFS HIGH INCOME MUNICIPAL TRUST</registrantFullName>
      <investmentCompFileNo>811-05754</investmentCompFileNo>
      <registrantCik>0000845606</registrantCik>
      <registrantLei>0G9TCUWY2FBUXSJY2691</registrantLei>
      <registrantstreet1>111 HUNTINGTON AVENUE</registrantstreet1>
      <registrantstreet2>24TH FLOOR</registrantstreet2>
      <registrantcity>BOSTON</registrantcity>
      <registrantzipCode>02199</registrantzipCode>
      <registrantstate>US-MA</registrantstate>
      <registrantcountry>US</registrantcountry>
      <registrantphoneNumber>617-954-5000</registrantphoneNumber>
      <websites>
        <website webpage="www.mfs.com"/>
      </websites>
      <locationBooksRecords>
        <locationBooksRecord>
          <officeName>Ropes &amp; Gray LLP</officeName>
          <officeAddress1>800 Boylston Street</officeAddress1>
          <officeCity>Boston</officeCity>
          <officeStateCountry officeCountry="US" officeState="US-MA"/>
          <officeRecordsZipCode>02199-3600</officeRecordsZipCode>
          <officePhone>617-951-7000</officePhone>
          <booksRecordsDesc>Counsel Record</booksRecordsDesc>
        </locationBooksRecord>
        <locationBooksRecord>
          <officeName>Computershare Trust Company, National Association</officeName>
          <officeAddress1>150 Royall Street</officeAddress1>
          <officeCity>Canton</officeCity>
          <officeStateCountry officeCountry="US" officeState="US-MA"/>
          <officeRecordsZipCode>02021</officeRecordsZipCode>
          <officePhone>781-575-2000</officePhone>
          <booksRecordsDesc>Transfer Agency Record</booksRecordsDesc>
        </locationBooksRecord>
        <locationBooksRecord>
          <officeName>DST Systems, Inc.</officeName>
          <officeAddress1>333 West 11th Street</officeAddress1>
          <officeCity>Kansas City</officeCity>
          <officeStateCountry officeCountry="US" officeState="US-MO"/>
          <officeRecordsZipCode>64105-1628</officeRecordsZipCode>
          <officePhone>816-435-8655</officePhone>
          <booksRecordsDesc>Technology Vendor</booksRecordsDesc>
        </locationBooksRecord>
        <locationBooksRecord>
          <officeName>State Street Bank and Trust Company</officeName>
          <officeAddress1>1 Lincoln Street</officeAddress1>
          <officeCity>Boston</officeCity>
          <officeStateCountry officeCountry="US" officeState="US-MA"/>
          <officeRecordsZipCode>02111</officeRecordsZipCode>
          <officePhone>617-786-3000</officePhone>
          <booksRecordsDesc>Custody and Accounting Records</booksRecordsDesc>
        </locationBooksRecord>
        <locationBooksRecord>
          <officeName>TerraNua Limited (New York, NY, US, Branch)</officeName>
          <officeAddress1>535 5th Avenue</officeAddress1>
          <officeCity>New York</officeCity>
          <officeStateCountry officeCountry="US" officeState="US-NY"/>
          <officeRecordsZipCode>10017</officeRecordsZipCode>
          <officePhone>866-951-2280</officePhone>
          <booksRecordsDesc>Personal Trading System</booksRecordsDesc>
        </locationBooksRecord>
        <locationBooksRecord>
          <officeName>Autonomy Americas LLC</officeName>
          <officeAddress1>90 Park Avenue</officeAddress1>
          <officeCity>New York</officeCity>
          <officeStateCountry officeCountry="US" officeState="US-NY"/>
          <officeRecordsZipCode>10016</officeRecordsZipCode>
          <officePhone>44-122-344-8000</officePhone>
          <booksRecordsDesc>Storage Vendor</booksRecordsDesc>
        </locationBooksRecord>
        <locationBooksRecord>
          <officeName>Iron Mountain, Inc.</officeName>
          <officeAddress1>150 SE Second Street</officeAddress1>
          <officeAddress2>Suite 211</officeAddress2>
          <officeCity>Miami</officeCity>
          <officeStateCountry officeCountry="US" officeState="US-FL"/>
          <officeRecordsZipCode>33131</officeRecordsZipCode>
          <officePhone>800-899-4766</officePhone>
          <booksRecordsDesc>Storage Vendor</booksRecordsDesc>
        </locationBooksRecord>
        <locationBooksRecord>
          <officeName>Institutional Shareholder Services Inc.</officeName>
          <officeAddress1>702 King Farm Boulevard</officeAddress1>
          <officeAddress2>Suite 400</officeAddress2>
          <officeCity>Rockville</officeCity>
          <officeStateCountry officeCountry="US" officeState="US-MD"/>
          <officeRecordsZipCode>20850</officeRecordsZipCode>
          <officePhone>301-556-0500</officePhone>
          <booksRecordsDesc>Proxy Voting Administrator</booksRecordsDesc>
        </locationBooksRecord>
        <locationBooksRecord>
          <officeName>MFS Service Center, Inc</officeName>
          <officeAddress1>100 Hancock Street</officeAddress1>
          <officeCity>Quincy</officeCity>
          <officeStateCountry officeCountry="US" officeState="US-MA"/>
          <officeRecordsZipCode>02171</officeRecordsZipCode>
          <officePhone>617-954-5000</officePhone>
          <booksRecordsDesc>Transfer Agency Record</booksRecordsDesc>
        </locationBooksRecord>
        <locationBooksRecord>
          <officeName>The Depository Trust Company</officeName>
          <officeAddress1>55 Water Street</officeAddress1>
          <officeCity>New York</officeCity>
          <officeStateCountry officeCountry="US" officeState="US-NY"/>
          <officeRecordsZipCode>10041</officeRecordsZipCode>
          <officePhone>212-855-1000</officePhone>
          <booksRecordsDesc>DTC</booksRecordsDesc>
        </locationBooksRecord>
        <locationBooksRecord>
          <officeName>Massachusetts Financial Services Company</officeName>
          <officeAddress1>111 Huntington Avenue</officeAddress1>
          <officeCity>Boston</officeCity>
          <officeStateCountry officeCountry="US" officeState="US-MA"/>
          <officeRecordsZipCode>02199-7632</officeRecordsZipCode>
          <officePhone>617-954-5000</officePhone>
          <booksRecordsDesc>Investment Adviser Record</booksRecordsDesc>
        </locationBooksRecord>
        <locationBooksRecord>
          <officeName>Charles River Development</officeName>
          <officeAddress1>700 District Avenue</officeAddress1>
          <officeCity>Burlington</officeCity>
          <officeStateCountry officeCountry="US" officeState="US-MA"/>
          <officeRecordsZipCode>01803</officeRecordsZipCode>
          <officePhone>781-238-0099</officePhone>
          <booksRecordsDesc>Investment related records</booksRecordsDesc>
        </locationBooksRecord>
        <locationBooksRecord>
          <officeName>MFS Fund Distributors, Inc.</officeName>
          <officeAddress1>111 Huntington Avenue</officeAddress1>
          <officeCity>Boston</officeCity>
          <officeStateCountry officeCountry="US" officeState="US-MA"/>
          <officeRecordsZipCode>02199</officeRecordsZipCode>
          <officePhone>617-954-5000</officePhone>
          <booksRecordsDesc>Principal Underwriter Record</booksRecordsDesc>
        </locationBooksRecord>
      </locationBooksRecords>
      <isRegistrantFirstFiling>N</isRegistrantFirstFiling>
      <isRegistrantLastFiling>N</isRegistrantLastFiling>
      <isRegistrantFamilyInvComp>N</isRegistrantFamilyInvComp>
      <registrantClassificationType>N-2</registrantClassificationType>
      <isSecuritiesActRegistration>Y</isSecuritiesActRegistration>
      <directors>
        <director>
          <directorName>Laurie J. Thomsen</directorName>
          <crdNumber>000000000</crdNumber>
          <isDirectorInterestedPerson>N</isDirectorInterestedPerson>
          <fileNumbers>
            <fileNumberInfo fileNumber="N/A"/>
          </fileNumbers>
        </director>
        <director>
          <directorName>Peter D. Jones</directorName>
          <crdNumber>000000000</crdNumber>
          <isDirectorInterestedPerson>N</isDirectorInterestedPerson>
          <fileNumbers>
            <fileNumberInfo fileNumber="N/A"/>
          </fileNumbers>
        </director>
        <director>
          <directorName>John P. Kavanaugh</directorName>
          <crdNumber>000000000</crdNumber>
          <isDirectorInterestedPerson>N</isDirectorInterestedPerson>
          <fileNumbers>
            <fileNumberInfo fileNumber="N/A"/>
          </fileNumbers>
        </director>
        <director>
          <directorName>Michael W. Roberge</directorName>
          <crdNumber>000000000</crdNumber>
          <isDirectorInterestedPerson>Y</isDirectorInterestedPerson>
          <fileNumbers>
            <fileNumberInfo fileNumber="N/A"/>
          </fileNumbers>
        </director>
        <director>
          <directorName>Maryanne L. Roepke</directorName>
          <crdNumber>000000000</crdNumber>
          <isDirectorInterestedPerson>N</isDirectorInterestedPerson>
          <fileNumbers>
            <fileNumberInfo fileNumber="N/A"/>
          </fileNumbers>
        </director>
        <director>
          <directorName>Clarence Otis, Jr.</directorName>
          <crdNumber>000000000</crdNumber>
          <isDirectorInterestedPerson>N</isDirectorInterestedPerson>
          <fileNumbers>
            <fileNumberInfo fileNumber="N/A"/>
          </fileNumbers>
        </director>
        <director>
          <directorName>Maureen R. Goldfarb</directorName>
          <crdNumber>000000000</crdNumber>
          <isDirectorInterestedPerson>N</isDirectorInterestedPerson>
          <fileNumbers>
            <fileNumberInfo fileNumber="N/A"/>
          </fileNumbers>
        </director>
        <director>
          <directorName>James W. Kilman, Jr.</directorName>
          <crdNumber>000000000</crdNumber>
          <isDirectorInterestedPerson>N</isDirectorInterestedPerson>
          <fileNumbers>
            <fileNumberInfo fileNumber="N/A"/>
          </fileNumbers>
        </director>
        <director>
          <directorName>Steven E. Buller</directorName>
          <crdNumber>000000000</crdNumber>
          <isDirectorInterestedPerson>N</isDirectorInterestedPerson>
          <fileNumbers>
            <fileNumberInfo fileNumber="N/A"/>
          </fileNumbers>
        </director>
        <director>
          <directorName>Robert J. Manning</directorName>
          <crdNumber>004646484</crdNumber>
          <isDirectorInterestedPerson>Y</isDirectorInterestedPerson>
          <fileNumbers>
            <fileNumberInfo fileNumber="N/A"/>
          </fileNumbers>
        </director>
        <director>
          <directorName>John A. Caroselli</directorName>
          <crdNumber>000000000</crdNumber>
          <isDirectorInterestedPerson>N</isDirectorInterestedPerson>
          <fileNumbers>
            <fileNumberInfo fileNumber="N/A"/>
          </fileNumbers>
        </director>
      </directors>
      <chiefComplianceOfficers>
        <chiefComplianceOfficer>
          <ccoName>Martin J. Wolin</ccoName>
          <crdNumber>004331075</crdNumber>
          <ccoStreet1>111 Huntington Avenue</ccoStreet1>
          <ccoCity>Boston</ccoCity>
          <ccoStateCountry ccoCountry="US" ccoState="US-MA"/>
          <ccoZipCode>02199</ccoZipCode>
          <ccoPhone>XXXXXX</ccoPhone>
          <isCcoChangedSinceLastFiling>N</isCcoChangedSinceLastFiling>
          <ccoEmployers>
            <ccoEmployer ccoEmployerName="N/A" ccoEmployerId="N/A"/>
          </ccoEmployers>
        </chiefComplianceOfficer>
      </chiefComplianceOfficers>
      <securityMatterSeriesInfo isRegistrantSubmittedMatter="Y">
        <seriesInfo seriesName="N/A" seriesId="N/A"/>
      </securityMatterSeriesInfo>
      <isPreviousLegalProceeding>N</isPreviousLegalProceeding>
      <isPreviousProceedingTerminated>N</isPreviousProceedingTerminated>
      <isClaimFiled>N</isClaimFiled>
      <coveredByInsurancePolicy isCoveredByInsurancePolicy="Y" isClaimFiledDuringPeriod="N"/>
      <isFinancialSupportDuringPeriod>N</isFinancialSupportDuringPeriod>
      <isExemptionFromAct>N</isExemptionFromAct>
      <isUnderwriterHiredOrTerminated>N</isUnderwriterHiredOrTerminated>
      <publicAccountants>
        <publicAccountant>
          <publicAccountantName>Ernst &amp; Young LLP</publicAccountantName>
          <pcaobNumber>42</pcaobNumber>
          <publicAccountantLei>00000000000000000000</publicAccountantLei>
          <publicAccountantStateCountry publicAccountantCountry="US" publicAccountantState="US-MA"/>
        </publicAccountant>
      </publicAccountants>
      <isPublicAccountantChanged>N</isPublicAccountantChanged>
      <isMaterialWeakness>N</isMaterialWeakness>
      <isOpinionOffered>N</isOpinionOffered>
      <isMaterialChange>N</isMaterialChange>
      <isAccountingPrincipleChange>N</isAccountingPrincipleChange>
      <paymentDividendSeries isPaymentDividend="Y">
        <seriesInfo seriesName="N/A" seriesId="N/A"/>
      </paymentDividendSeries>
    </registrantInfo>
    <managementInvestmentQuestionSeriesInfo>
      <managementInvestmentQuestion>
        <mgmtInvFundName>MFS HIGH INCOME MUNICIPAL TRUST</mgmtInvFundName>
        <mgmtInvLei>0G9TCUWY2FBUXSJY2691</mgmtInvLei>
        <isFirstFilingByFund>N</isFirstFilingByFund>
        <numAuthorizedClass>0</numAuthorizedClass>
        <numAddedClass>0</numAddedClass>
        <numTerminatedClass>0</numTerminatedClass>
        <fundType>N/A</fundType>
        <isNonDiversifiedCompany>N</isNonDiversifiedCompany>
        <isForeignSubsidiary>N</isForeignSubsidiary>
        <isFundSecuritiesLending>N</isFundSecuritiesLending>
        <didFundLendSecurities>N</didFundLendSecurities>
        <paymentToAgentManagerType>N/A</paymentToAgentManagerType>
        <avgPortfolioSecuritiesValue>N/A</avgPortfolioSecuritiesValue>
        <netIncomeSecuritiesLending>N/A</netIncomeSecuritiesLending>
        <relyOnRuleTypes>
          <relyOnRuleType>Rule 17a-7 (17 CFR 270.17a-7)</relyOnRuleType>
          <relyOnRuleType>Rule 32a-4 (17 CFR 270.32a-4)</relyOnRuleType>
          <relyOnRuleType>Rule 12d1-1 (17 CFR 270.12d1-1)</relyOnRuleType>
        </relyOnRuleTypes>
        <isExpenseLimitationInPlace>Y</isExpenseLimitationInPlace>
        <isExpenseReducedOrWaived>Y</isExpenseReducedOrWaived>
        <isFeesWaivedRecoupable>N</isFeesWaivedRecoupable>
        <isExpenseWaivedRecoupable>N</isExpenseWaivedRecoupable>
        <investmentAdvisers>
          <investmentAdviser>
            <investmentAdviserName>Massachusetts Financial Services Company</investmentAdviserName>
            <investmentAdviserFileNo>801-17352</investmentAdviserFileNo>
            <investmentAdviserCrdNo>000110045</investmentAdviserCrdNo>
            <investmentAdviserLei>1G3OSH3GLGJ7X1JC5I61</investmentAdviserLei>
            <investmentAdviserStateCountry investmentAdviserState="US-MA" investmentAdviserCountry="US"/>
            <isInvestmentAdviserHired>N</isInvestmentAdviserHired>
          </investmentAdviser>
        </investmentAdvisers>
        <transferAgents>
          <transferAgent>
            <transferAgentName>Computershare Trust Company, National Association</transferAgentName>
            <transferAgentFileNo>85-11340</transferAgentFileNo>
            <transferAgentLei>2549001YYB62BVMSAO13</transferAgentLei>
            <transferAgentStateCountry transferAgentState="US-MA" transferAgentCountry="US"/>
            <isTransferAgentAffiliated>N</isTransferAgentAffiliated>
            <isTransferAgentSubAgent>N</isTransferAgentSubAgent>
          </transferAgent>
        </transferAgents>
        <isTransferAgentHiredOrTerminated>N</isTransferAgentHiredOrTerminated>
        <pricingServices>
          <pricingService>
            <pricingServiceName>Refinitiv US Holdings Inc.</pricingServiceName>
            <pricingServiceLei>549300NF240HXJO7N016</pricingServiceLei>
            <pricingServiceStateCountry pricingServiceState="US-NY" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
          <pricingService>
            <pricingServiceName>ICE Data Services, Inc.</pricingServiceName>
            <pricingServiceLei>13-3668779</pricingServiceLei>
            <pricingServiceIdNumberDesc>Tax ID</pricingServiceIdNumberDesc>
            <pricingServiceStateCountry pricingServiceState="US-NY" pricingServiceCountry="US"/>
            <isPricingServiceAffiliated>N</isPricingServiceAffiliated>
          </pricingService>
        </pricingServices>
        <isPricingServiceHiredOrTerminated>N</isPricingServiceHiredOrTerminated>
        <custodians>
          <custodian>
            <custodianName>Merrill Lynch, Pierce, Fenner &amp; Smith Incorporated</custodianName>
            <custodianLei>8NAV47T0Y26Q87Y0QP81</custodianLei>
            <custodianStateCountry custodianState="US-NY" custodianCountry="US"/>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>N</isSubCustodian>
            <custodyType>Bank - section 17(f)(1) (15 U.S.C. 80a-17(f)(1))</custodyType>
          </custodian>
          <custodian>
            <custodianName>The Goldman Sachs Group, Inc.</custodianName>
            <custodianLei>784F5XWPLTWKTBV3E584</custodianLei>
            <custodianStateCountry custodianState="US-NY" custodianCountry="US"/>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>N</isSubCustodian>
            <custodyType>Bank - section 17(f)(1) (15 U.S.C. 80a-17(f)(1))</custodyType>
          </custodian>
          <custodian>
            <custodianName>State Street Bank and Trust Company</custodianName>
            <custodianLei>571474TGEMMWANRLN572</custodianLei>
            <custodianStateCountry custodianState="US-MA" custodianCountry="US"/>
            <isCustodianAffiliated>N</isCustodianAffiliated>
            <isSubCustodian>N</isSubCustodian>
            <custodyType>Bank - section 17(f)(1) (15 U.S.C. 80a-17(f)(1))</custodyType>
          </custodian>
        </custodians>
        <isCustodianHiredOrTerminated>N</isCustodianHiredOrTerminated>
        <shareholderServicingAgents>
          <shareholderServicingAgent>
            <shareholderServiceAgentName>MFS Service Center, Inc</shareholderServiceAgentName>
            <shareholderServiceAgentLei>084-01316</shareholderServiceAgentLei>
            <shareholderServiceIdNumberDesc>SEC File Number</shareholderServiceIdNumberDesc>
            <shareholderServiceAgentStateCountry shareholderServiceAgentState="US-MA" shareholderServiceAgentCountry="US"/>
            <isShareholderServiceAgentAffiliated>Y</isShareholderServiceAgentAffiliated>
            <isShareholderServiceAgentSubshare>N</isShareholderServiceAgentSubshare>
          </shareholderServicingAgent>
        </shareholderServicingAgents>
        <isShareholderServiceHiredTerminated>N</isShareholderServiceHiredTerminated>
        <admins>
          <admin>
            <adminName>Massachusetts Financial Services Company</adminName>
            <adminLei>1G3OSH3GLGJ7X1JC5I61</adminLei>
            <adminStateCountry adminState="US-MA" adminCountry="US"/>
            <isAdminAffiliated>Y</isAdminAffiliated>
            <isAdminSubAdmin>N</isAdminSubAdmin>
          </admin>
        </admins>
        <isAdminHiredOrTerminated>N</isAdminHiredOrTerminated>
        <brokers>
          <broker>
            <brokerName>BofA Securities, Inc.</brokerName>
            <brokerFileNo>8-69787</brokerFileNo>
            <brokerCrdNo>000283942</brokerCrdNo>
            <brokerLei>549300HN4UKV1E2R3U73</brokerLei>
            <brokerStateCountry brokerState="US-NY" brokerCountry="US"/>
            <grossCommission>1535.49000000</grossCommission>
          </broker>
        </brokers>
        <aggregateCommission>1535.49000000</aggregateCommission>
        <principalTransactions>
          <principalTransaction>
            <principalName>Oppenheimer &amp; Co. Inc.</principalName>
            <principalFileNo>8-4077</principalFileNo>
            <principalCrdNo>000000249</principalCrdNo>
            <principalLei>254900VH02JQR2L8XD64</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>3642197.90000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>J.P. Morgan Securities LLC</principalName>
            <principalFileNo>8-35008</principalFileNo>
            <principalCrdNo>000000079</principalCrdNo>
            <principalLei>ZBUT11V806EZRVTWT807</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>10546204.64000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Morgan Stanley &amp; Co. LLC</principalName>
            <principalFileNo>8-15869</principalFileNo>
            <principalCrdNo>000008209</principalCrdNo>
            <principalLei>9R7GPTSO7KV3UQJZQ078</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>9634209.90000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>BofA Securities, Inc.</principalName>
            <principalFileNo>8-69787</principalFileNo>
            <principalCrdNo>000283942</principalCrdNo>
            <principalLei>549300HN4UKV1E2R3U73</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>14003486.07000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>RBC Capital Markets, LLC</principalName>
            <principalFileNo>8-45411</principalFileNo>
            <principalCrdNo>000031194</principalCrdNo>
            <principalLei>549300LCO2FLSSVFFR64</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>3352394.50000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Wells Fargo Securities, LLC</principalName>
            <principalFileNo>8-65876</principalFileNo>
            <principalCrdNo>000126292</principalCrdNo>
            <principalLei>VYVVCKR63DVZZN70PB21</principalLei>
            <principalStateCountry principalState="US-NC" principalCountry="US"/>
            <principalTotalPurchaseSale>15748594.47000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Jefferies LLC</principalName>
            <principalFileNo>8-15074</principalFileNo>
            <principalCrdNo>000002347</principalCrdNo>
            <principalLei>58PU97L1C0WSRCWADL48</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>6404459.95000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Citigroup Global Markets Inc.</principalName>
            <principalFileNo>8-8177</principalFileNo>
            <principalCrdNo>000007059</principalCrdNo>
            <principalLei>MBNUM2BPBDO7JBLYG310</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>12107354.73000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Pershing LLC</principalName>
            <principalFileNo>8-17574</principalFileNo>
            <principalCrdNo>000007560</principalCrdNo>
            <principalLei>ZI8Q1A8EI8LQFJNM0D94</principalLei>
            <principalStateCountry principalState="US-NJ" principalCountry="US"/>
            <principalTotalPurchaseSale>6026450.45000000</principalTotalPurchaseSale>
          </principalTransaction>
          <principalTransaction>
            <principalName>Goldman Sachs &amp; Co. LLC</principalName>
            <principalFileNo>8-129</principalFileNo>
            <principalCrdNo>000000361</principalCrdNo>
            <principalLei>FOR8UP27PHTHYVLBNG30</principalLei>
            <principalStateCountry principalState="US-NY" principalCountry="US"/>
            <principalTotalPurchaseSale>5202823.81000000</principalTotalPurchaseSale>
          </principalTransaction>
        </principalTransactions>
        <principalAggregatePurchase>104587342.32000000</principalAggregatePurchase>
        <isBrokerageResearchPayment>N</isBrokerageResearchPayment>
        <mnthlyAvgNetAssets>163231286.24000000</mnthlyAvgNetAssets>
      </managementInvestmentQuestion>
    </managementInvestmentQuestionSeriesInfo>
    <closedEndManagementInvestment>
      <securityRelatedItems>
        <securityRelatedItem>
          <description>Common stock</description>
          <securityClassTitle>MFS High Income Municipal Trust</securityClassTitle>
          <commonStocks>
            <commonStock commonStockExchange="XNYS" commonStockTickerSymbol="CXE"/>
          </commonStocks>
        </securityRelatedItem>
        <securityRelatedItem>
          <description>Preferred stock</description>
          <securityClassTitle>Variable Rate Municipal Term Preferred Shares</securityClassTitle>
          <commonStocks>
            <commonStock commonStockExchange="N/A" commonStockTickerSymbol="N/A"/>
          </commonStocks>
        </securityRelatedItem>
      </securityRelatedItems>
      <isRightsOffering>N</isRightsOffering>
      <isSecondaryOffering>N</isSecondaryOffering>
      <isRepurchaseSecurity>N</isRepurchaseSecurity>
      <isDefaultLongTermDebt>N</isDefaultLongTermDebt>
      <isDividendsInArrears>N</isDividendsInArrears>
      <isSecuritiesModified>N</isSecuritiesModified>
      <managementFee>1.20000000</managementFee>
      <netOperatingExpenses>2.33000000</netOperatingExpenses>
      <marketPricePerShare>4.88000000</marketPricePerShare>
      <netAssetValuePerShare>5.22000000</netAssetValuePerShare>
    </closedEndManagementInvestment>
    <attachmentsTab>
      <isIPAReportInternalControl>true</isIPAReportInternalControl>
    </attachmentsTab>
    <signature registrantSignedName="MFS HIGH INCOME MUNICIPAL TRUST" signedDate="2021-02-10" signature="Kasey Phillips" title="Assistant Treasurer"/>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>INTERNAL CONTROL RPT
<SEQUENCE>2
<FILENAME>NCEN_5632413268582973.txt
<TEXT>




Report of Independent Registered Public Accounting Firm

To the Shareholders and
Board of Trustees of MFS High Income Municipal Trust

In planning and performing our audit of the financial
statements of MFS High Income Municipal Trust (the "Fund")
as of and for the year ended November 30, 2020, in
accordance with the standards of the Public Company
Accounting Oversight Board (United States), we considered
the Fund's internal control over financial reporting, including
controls over safeguarding securities, as a basis for designing
our auditing procedures for the purpose of expressing our
opinion on the financial statements and to comply with the
requirements of Form N-CEN, but not for the purpose of
expressing an opinion on the effectiveness of the Fund's
internal control over financial reporting. Accordingly, we
express no such opinion.
The management of the Fund is responsible for establishing
and maintaining effective internal control over financial
reporting. In fulfilling this responsibility, estimates and
judgments by management are required to assess the
expected benefits and related costs of controls. A company's
internal control over financial reporting is a process designed
to provide reasonable assurance regarding the reliability of
financial reporting and the preparation of financial
statements for external purposes in accordance with U.S.
generally accepted accounting principles. A company's
internal control over financial reporting includes those
policies and procedures that (1) pertain to the maintenance
of records that, in reasonable detail, accurately and fairly
reflect the transactions and dispositions of the assets of the
company; (2) provide reasonable assurance that transactions
are recorded as necessary to permit preparation of financial
statements in accordance with U.S. generally accepted
accounting principles, and that receipts and expenditures of
the company are being made only in accordance with
authorizations of management and directors of the company;
and (3) provide reasonable assurance regarding prevention or
timely detection of unauthorized acquisition, use or
disposition of a company's assets that could have a material
effect on the financial statements.
Because of its inherent limitations, internal control over
financial reporting may not prevent or detect misstatements.
Also, projections of any evaluation of effectiveness to future
periods are subject to the risk that controls may become
inadequate because of changes in conditions, or that the
degree of compliance with the policies or procedures may
deteriorate.
A deficiency in internal control over financial reporting exists
when the design or operation of a control does not allow
management or employees, in the normal course of
performing their assigned functions, to prevent or detect
misstatements on a timely basis. A material weakness is a
deficiency, or a combination of deficiencies, in internal
control over financial reporting, such that there is a
reasonable possibility that a material misstatement of the
company's annual or interim financial statements will not be
prevented or detected on a timely basis.
Our consideration of the Fund's internal control over financial
reporting was for the limited purpose described in the first
paragraph and would not necessarily disclose all deficiencies
in internal control that might be material weaknesses under
standards established by the Public Company Accounting
Oversight Board (United States). However, we noted no
deficiencies in the Fund's internal control over financial
reporting and its operation, including controls over
safeguarding securities, that we consider to be a material
weakness as defined above as of November 30, 2020.
This report is intended solely for the information and use of
management and the Board of Trustees of MFS High Income
Municipal Trust and the Securities and Exchange Commission
and is not intended to be and should not be used by anyone
other than these specified parties.


/s/ Ernst & Young LLP
Boston, Massachusetts
January 14, 2021






</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
