<SEC-DOCUMENT>0001683863-25-006222-index.html : 20250728
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<ACCEPTANCE-DATETIME>20250728091545
ACCESSION NUMBER:		0001683863-25-006222
CONFORMED SUBMISSION TYPE:	N-CSRS
PUBLIC DOCUMENT COUNT:		17
CONFORMED PERIOD OF REPORT:	20250531
FILED AS OF DATE:		20250728
DATE AS OF CHANGE:		20250728
EFFECTIVENESS DATE:		20250728

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MFS INTERMEDIATE HIGH INCOME FUND
		CENTRAL INDEX KEY:			0000833021
		ORGANIZATION NAME:           	
		EIN:				046593681
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1130

	FILING VALUES:
		FORM TYPE:		N-CSRS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-05567
		FILM NUMBER:		251153151

	BUSINESS ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		24TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		6179545000

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

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLONIAL INTERMEDIATE HIGH INCOME FUND
		DATE OF NAME CHANGE:	19920703
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<DESCRIPTION>MFS INTERMEDIATE HIGH INCOME FUND (CIH)
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Document 1 - file: f42556d1.htm

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Document 2 - file: f42556d2.htm

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Document 3 - file: f42556d3.htm

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Document 4 - file: f42556d4.htm

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