<SEC-DOCUMENT>0001209191-21-012786.txt : 20210222
<SEC-HEADER>0001209191-21-012786.hdr.sgml : 20210222
<ACCEPTANCE-DATETIME>20210222171150
ACCESSION NUMBER:		0001209191-21-012786
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210218
FILED AS OF DATE:		20210222
DATE AS OF CHANGE:		20210222

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hylton Stacia
		CENTRAL INDEX KEY:			0001650242

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16109
		FILM NUMBER:		21661357

	MAIL ADDRESS:	
		STREET 1:		6850 VERSAR CENTER STE 420
		CITY:			SPRINGFIELD
		STATE:			VA
		ZIP:			22151

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CoreCivic, Inc.
		CENTRAL INDEX KEY:			0001070985
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				621763875
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5501 VIRGINIA WAY
		CITY:			BRENTWOOD
		STATE:			TN
		ZIP:			37027
		BUSINESS PHONE:		615-263-3000

	MAIL ADDRESS:	
		STREET 1:		5501 VIRGINIA WAY
		CITY:			BRENTWOOD
		STATE:			TN
		ZIP:			37027

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CORRECTIONS CORP OF AMERICA
		DATE OF NAME CHANGE:	20001003

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PRISON REALTY TRUST INC
		DATE OF NAME CHANGE:	19990517

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PRISON REALTY CORP
		DATE OF NAME CHANGE:	19980924
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-02-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001070985</issuerCik>
        <issuerName>CoreCivic, Inc.</issuerName>
        <issuerTradingSymbol>CXW</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001650242</rptOwnerCik>
            <rptOwnerName>Hylton Stacia</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CORECIVIC</rptOwnerStreet1>
            <rptOwnerStreet2>5501 VIRGINIA WAY, SUITE 110</rptOwnerStreet2>
            <rptOwnerCity>BRENTWOOD</rptOwnerCity>
            <rptOwnerState>TN</rptOwnerState>
            <rptOwnerZipCode>37027</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>2021-02-18</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>19424</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>44920</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents restricted stock units (&quot;RSUs&quot;) granted to the Reporting Person on February 18, 2021 (the &quot;Grant Date&quot;).  Each RSU represents a contingent right to receive one share of the Issuer's common stock.  The RSU's vest in full on the first anniversary of the Grant Date, subject to continued service with the Issuer through such vesting date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Cameron Hopewell, Attorney-in-Fact</signatureName>
        <signatureDate>2021-02-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
