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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001196168-05-000080.txt : 20050519
<SEC-HEADER>0001196168-05-000080.hdr.sgml : 20050519
<ACCEPTANCE-DATETIME>20050519103217
ACCESSION NUMBER:		0001196168-05-000080
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050517
FILED AS OF DATE:		20050519
DATE AS OF CHANGE:		20050519

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MCGRAW-HILL COMPANIES INC
		CENTRAL INDEX KEY:			0000064040
		STANDARD INDUSTRIAL CLASSIFICATION:	BOOKS: PUBLISHING OR PUBLISHING AND PRINTING [2731]
		IRS NUMBER:				131026995
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1221 AVENUE OF THE AMERICAS
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10020
		BUSINESS PHONE:		2125122000

	MAIL ADDRESS:	
		STREET 1:		1221 AVENUE OF THE AMERICAS
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10020

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MCGRAW HILL INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MCGRAW PUBLISHING CO
		DATE OF NAME CHANGE:	19670327

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HILL PUBLISHING CO
		DATE OF NAME CHANGE:	19670327

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MCGRAW ROBERT P
		CENTRAL INDEX KEY:			0001196155

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-01023
		FILM NUMBER:		05843522

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		2125122909

	MAIL ADDRESS:	
		STREET 1:		MCGRAW-HILL COMPANIES
		STREET 2:		1221 AVENUE OF THE AMERICAS
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10020
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>mcg215.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-05-17</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000064040</issuerCik>
        <issuerName>MCGRAW-HILL COMPANIES INC</issuerName>
        <issuerTradingSymbol>MHP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001196155</rptOwnerCik>
            <rptOwnerName>MCGRAW ROBERT P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>CEO, AVERDALE INTERNATIONAL, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>ONE BRIDGE STREET</rptOwnerStreet2>
            <rptOwnerCity>IRVINGTON-ON-HUDSON</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10533</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>159284.0000</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Phantom Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.0000</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>10869.6800</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10869.6800</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On May 17, 2005 the common stock of The McGraw-Hill Companies split 2-for-1, resulting in the reporting person's acquisition of 79,642 additional shares of common stock; this amount includes 12,800 shares owned by minor children.</footnote>
        <footnote id="F2">The phantom stock units were accrued under The McGraw-Hill Companies Director Deferred Stock Ownership Plan and are to be settled 100% in The McGraw-Hill Companies common stock at such time as the reporting person ceases to be a director.</footnote>
        <footnote id="F3">On May 17, 2005 the common stock of The McGraw-Hill Companies split 2-for-1, resulting in the reporting person's acquisition of 5,434.8400 additional Phantom Stock Units.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ McGraw, Robert P.</signatureName>
        <signatureDate>2005-05-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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