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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 QXvIKua1yCwCYAqwEy0sI+1j9+tYi9FHWw97JbtoO6bcvSlXy2xm3rfkbRZfwSg8
 0iD8tIPIm2ComNPlm778EA==

<SEC-DOCUMENT>0001360555-09-000010.txt : 20090212
<SEC-HEADER>0001360555-09-000010.hdr.sgml : 20090212
<ACCEPTANCE-DATETIME>20090212163441
ACCESSION NUMBER:		0001360555-09-000010
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090211
FILED AS OF DATE:		20090212
DATE AS OF CHANGE:		20090212

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Riceman John P
		CENTRAL INDEX KEY:			0001369916

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33083
		FILM NUMBER:		09595329

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		703-591-9351

	MAIL ADDRESS:	
		STREET 1:		10110 DANIEL'S RUN WAY
		CITY:			FAIRFAX
		STATE:			VA
		ZIP:			22030

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Stanley, Inc.
		CENTRAL INDEX KEY:			0001360555
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ENGINEERING SERVICES [8711]
		IRS NUMBER:				113658790
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		3101 WILSON BOULEVARD
		STREET 2:		SUITE 700
		CITY:			ARLINGTON
		STATE:			VA
		ZIP:			22201
		BUSINESS PHONE:		703-684-1125

	MAIL ADDRESS:	
		STREET 1:		3101 WILSON BOULEVARD
		STREET 2:		SUITE 700
		CITY:			ARLINGTON
		STATE:			VA
		ZIP:			22201
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-02-11</periodOfReport>

    <issuer>
        <issuerCik>0001360555</issuerCik>
        <issuerName>Stanley, Inc.</issuerName>
        <issuerTradingSymbol>SXE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001369916</rptOwnerCik>
            <rptOwnerName>Riceman John P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O STANLEY, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>3101 WILSON BOULEVARD, SUITE 700</rptOwnerStreet2>
            <rptOwnerCity>ARLINGTON</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>22201</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-02-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>31.21</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>61052</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>20880</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Paulette Wood Riceman Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price in Column 4 is a weighted average price.  The prices actually received ranged from $30.94 to $31.37.  The reporting person will provide to the issuer, any securityholder of the issuer, or the SEC Staff, upon request, information regarding the number of shares sold at each price within the range.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Scott D. Chaplin, as Attorney-in-Fact</signatureName>
        <signatureDate>2009-02-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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