Exhibit 10

THIRD REPRICING AMENDMENT

THIS THIRD REPRICING AMENDMENT (this “Amendment”) dated as of May 10, 2017 to the Credit Agreement referenced below is by and among ACADIA HEALTHCARE COMPANY, INC., a Delaware corporation (the “Borrower”), the Guarantors identified on the signature pages hereto, the Lenders holding the Tranche B-1 Term Loan, the Lenders holding the Tranche B-2 Term Loan and BANK OF AMERICA, N.A., in its capacity as Administrative Agent (in such capacity, the “Administrative Agent”).

W I T N E S S E T H

WHEREAS, revolving credit and term loan facilities have been extended to the Borrower pursuant to that certain Amended and Restated Credit Agreement dated as of December 31, 2012 (as amended, modified, supplemented, increased and extended from time to time, the “Credit Agreement”) by and among the Borrower, the Guarantors identified therein, the Lenders identified therein and the Administrative Agent; and

WHEREAS, the Borrower has requested certain modifications to the pricing applicable to the Tranche B-1 Term Loan and the Tranche B-2 Term Loan and the Lenders holding the Tranche B-1 Term Loan and the Lenders holding the Tranche B-2 Term Loan have each agreed to such modifications to the Credit Agreement on the terms and conditions set forth herein.

NOW, THEREFORE, IN CONSIDERATION of the premises and other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto agree as follows:

1. Defined Terms. Capitalized terms used herein but not otherwise defined herein shall have the meanings provided to such terms in the Credit Agreement (as amended by this Amendment).

2. Amendments to the Credit Agreement. The Credit Agreement is amended as follows:

2.1. The following definition is added to Section 1.01 of the Credit Agreement in the appropriate alphabetical order:

“Third Repricing Amendment Effective Date” means the effective date of the Third Repricing Amendment to this Agreement among the Loan Parties, the Lenders holding the Tranche B-1 Term Loan, the Lenders holding the Tranche B-2 Term Loan and the Administrative Agent.

2.2. Clauses (b) and (c) of the definition of “Applicable Rate” are amended and restated in their entirety to read as follows:

(b) with respect to the Tranche B-1 Term Loan, 2.75% in the case of Eurodollar Rate Loans and 1.75% in the case of Base Rate Loans;

(c) with respect to the Tranche B-2 Term Loan, 2.75% in the case of Eurodollar Rate Loans and 1.75% in the case of Base Rate Loans;

2.3. Sections 2.09(c) and (d) are amended and restated in their entirety to read as follows:

(c) Tranche B-1 Repricing Transaction. At the time of the effectiveness of any Tranche B-1 Repricing Transaction that is consummated after the Third Repricing Amendment Effective Date and on or prior to the date that is six (6) months following the Third Repricing Amendment Effective Date, the Borrower shall pay to the Administrative Agent, for the ratable account of each Lender holding the Tranche B-1 Term Loan that are either prepaid, repaid, converted or otherwise subject to a pricing reduction in connection with such Third Repricing Transaction (including, if applicable, any Non-Consenting Lender holding the Tranche B-1 Term Loan), a fee in an amount equal to 1.0% of (i) in the case of a Tranche B-1 Repricing Transaction described in clause (a) of the definition thereof, the aggregate principal amount of the Tranche B-1 Term Loan that is prepaid, refinanced, converted, substituted or replaced in connection with such Tranche B-1 Repricing Transaction or (ii) in the case of a Tranche B-1 Repricing Transaction described in clause (b) of the definition thereof, the aggregate principal amount of the Tranche B-1 Term Loan outstanding on such date that is subject to an effective pricing reduction pursuant to such Tranche B-1 Repricing Transaction. Such fees shall be earned, due and payable upon the date of the effectiveness of such Tranche B-1 Repricing Transaction.

(d) Tranche B-2 Repricing Transaction. At the time of the effectiveness of any Tranche B-2 Repricing Transaction that is consummated after the Third Repricing Amendment Effective Date and on or prior to the date that is six (6) months following the Third Repricing Amendment Effective Date, the Borrower shall pay to the Administrative Agent, for the ratable account of each Lender holding the Tranche B-2 Term Loan that are either prepaid, repaid, converted or otherwise subject to a pricing reduction in connection with such Tranche B-2 Repricing Transaction (including, if applicable, any Non-Consenting Lender holding the Tranche B-2 Term Loan), a fee in an amount equal to 1.0% of (i) in the case of a Tranche B-2 Repricing Transaction described in clause (a) of the definition thereof, the aggregate principal amount of the Tranche B-2 Term Loan that is prepaid, refinanced, converted, substituted or replaced in connection with such Tranche B-2 Repricing Transaction or (ii) in the case of a Tranche B-2 Repricing Transaction described in clause (b) of the definition thereof, the aggregate principal amount of the Tranche B-2 Term Loan outstanding on such date that is subject to an effective pricing reduction pursuant to such Tranche B-2 Repricing Transaction. Such fees shall be earned, due and payable upon the date of the effectiveness of such Tranche B-2 Repricing Transaction.

3. Conditions Precedent. This Amendment shall become effective as of the date hereof upon satisfaction of each of the following conditions precedent in each case in a manner reasonably satisfactory to the Administrative Agent:

3.1. Amendment. Receipt by the Administrative Agent of executed counterparts of this Amendment properly executed by a Responsible Officer of each Loan Party and the Administrative Agent on its own behalf and on behalf of each Lender holding a portion of the Tranche B-1 Term Loan or Tranche B-2 Term Loan that delivers a consent to this Amendment in the form of Exhibit A attached hereto.

3.2. Accrued Interest and Fees. Receipt by the Administrative Agent from the Borrower of all accrued interest and fees owing on the Tranche B-1 Term Loan and Tranche B-2 Term Loan as of the Third Repricing Amendment Effective Date for the benefit of the Lenders holding the Tranche B-1 Term Loan and the Lenders holding the Tranche B-2 Term Loan immediately before giving effect to this Amendment.

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3.3. Fees. Receipt by the Administrative Agent, MLPF&S and the Lenders of any fees required to be paid on or before the date of this Amendment.

3.4. Attorney Costs. Unless waived by the Administrative Agent, the Borrower shall have paid in accordance with Section 11.04 of the Credit Agreement all reasonable and documented fees, charges and disbursements of one primary outside counsel to the Administrative Agent (directly to such counsel if requested by the Administrative Agent) to the extent invoiced prior to or on the date hereof, plus such additional amounts of such fees, charges and disbursements as shall constitute its reasonable estimate of such fees, charges and disbursements incurred or to be incurred by it through the closing proceedings (provided that such estimate shall not thereafter preclude a final settling of accounts between the Borrower and the Administrative Agent).

Without limiting the generality of the provisions of the last paragraph of Section 10.03 of the Credit Agreement, for purposes of determining compliance with the conditions specified in this Section 3, each Lender that has consented to this Agreement shall be deemed to have consented to, approved or accepted or to be satisfied with, each document or other matter required thereunder to be consented to or approved by or acceptable or satisfactory to a Lender unless the Administrative Agent shall have received notice from such Lender prior to the date of this Amendment specifying its objection thereto.

4. Amendment is a “Loan Document”. This Amendment is a Loan Document and all references to a “Loan Document” in the Credit Agreement and the other Loan Documents (including, without limitation, all such references in the representations and warranties in the Credit Agreement and the other Loan Documents) shall be deemed to include this Amendment.

5. Representations and Warranties; No Default. Each Loan Party represents and warrants to the Administrative Agent and each Lender that after giving effect to this Amendment (a) the representations and warranties of each Loan Party contained in the Credit Agreement or any other Loan Document, or which are contained in any document furnished at any time under or in connection with the Credit Agreement or any other Loan Document are true and correct in all material respects on and as of the date hereof, except to the extent that such representations and warranties specifically refer to an earlier date, in which case such representations and warranties are true and correct in all material respects as of such earlier date, and (b) no Default exists.

6. Reaffirmation of Obligations. Each Loan Party (a) acknowledges and consents to all of the terms and conditions of this Amendment, (b) affirms all of its obligations under the Loan Documents and (c) agrees that this Amendment does not operate to reduce or discharge such Loan Party’s obligations under the Loan Documents.

7. Reaffirmation of Security Interests. Each Loan Party (a) affirms that each of the Liens granted in or pursuant to the Loan Documents are valid and subsisting and (b) agrees that this Amendment does not in any manner impair or otherwise adversely affect any of the Liens granted in or pursuant to the Loan Documents.

8. FATCA. Borrower hereby certifies to the Administrative Agent and the Lenders that the obligations of the Borrower set forth in the Credit Agreement, as modified by this Amendment, other than the Incremental Tranche A Term Loan, the Tranche B-1 Term Loan and Tranche B-2 Term Loan, qualify

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as a “grandfathered obligation” within the meaning of Treasury Regulation Section 1.1471-2(b)(2)(i). From and after the effective date of the Amendment, the Borrower shall indemnify the Administrative Agent, and hold it harmless from, any and all losses, claims, damages, liabilities and related interest, penalties and expenses, including, without limitation, Taxes and the fees, charges and disbursements of any counsel for any of the foregoing, arising in connection with the Administrative Agent’s treating, for purposes of determining withholding Taxes imposed under FATCA, the Loans (other than the Incremental Tranche A Term Loan, the Tranche B-1 Term Loan and Tranche B-2 Term Loan) as qualifying as a “grandfathered obligation” within the meaning of Treasury Regulation Section 1.1471-2(b)(2)(i). The Borrower’s obligations hereunder shall survive the resignation or replacement of the Administrative Agent or any assignment of rights by, or the replacement of, a Lender, the termination of the Commitments and the repayment, satisfaction or discharge of all of the Obligations.

9. No Other Changes. Except as modified hereby, all of the terms and provisions of the Loan Documents shall remain in full force and effect.

10. Counterparts; Delivery. This Amendment may be executed in counterparts (and by different parties hereto in different counterparts), each of which shall constitute an original, but all of which when taken together shall constitute a single contract. Delivery of an executed counterpart of this Amendment by facsimile or other electronic imaging means shall be effective as an original.

11. Governing Law. This Amendment shall be deemed to be a contract made under, and for all purposes shall be construed in accordance with, the laws of the State of New York.

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IN WITNESS WHEREOF, each of the parties hereto has caused a counterpart of this Third Repricing Amendment to be duly executed and delivered as of the date first above written.

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ACADIA HEALTHCARE COMPANY, INC.

THIRD REPRICING AMENDMENT

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ACADIA HEALTHCARE COMPANY, INC.

THIRD REPRICING AMENDMENT

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ACADIA HEALTHCARE COMPANY, INC.

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ACADIA HEALTHCARE COMPANY, INC.

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ACADIA HEALTHCARE COMPANY, INC.

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ACADIA HEALTHCARE COMPANY, INC.

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ACADIA HEALTHCARE COMPANY, INC.

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ACADIA HEALTHCARE COMPANY, INC.

THIRD REPRICING AMENDMENT

Exhibit A

[Form of Lender Consent]

IN WITNESS WHEREOF, the undersigned acknowledges receipt of the Third Repricing Amendment (the “Amendment”) to that certain Amended and Restated Credit Agreement dated as of December 31, 2012 (as amended, modified, supplemented, increased and extended from time to time) by and among the Acadia Healthcare Company, Inc., a Delaware corporation, the guarantors identified therein, the lenders identified therein and Bank of America, N.A., in its capacity as administrative Agent.

Tranche B-1 Term Loan

☐    Tranche B-1 Consent. The undersigned hereby irrevocably and unconditionally consents to the Amendment and consents to the reallocation of its portion of the Tranche B-1 Term Loan in an amount as may be notified by Bank of America, N.A. to such Lender in an amount not to exceed such Lender’s portion of the Tranche B-1 Term Loan held by such Lender immediately prior to the effectiveness of the Amendment.

☐    Consent and Reallocation of Tranche B-1 Term Loan. The undersigned hereby irrevocably and unconditionally consents to the Amendment but requests its outstanding portion of the Tranche B-1 Term Loan be assumed by Bank of America, N.A. on the Third Repricing Amendment Effective Date and subsequently reallocated to the undersigned by assignment to one or more entities separately identified to Bank of America, N.A. by the undersigned in an amount as may be notified by Bank of America, N.A. to such Lender in an amount not to exceed such Lender’s portion of the Tranche B-1 Term Loan held by such Lender immediately prior to the effectiveness of the Amendment.

Tranche B-2 Term Loan

☐    Tranche B-2 Consent. The undersigned hereby irrevocably and unconditionally consents to the Amendment and consents to the reallocation of its portion of the Tranche B-2 Term Loan in an amount as may be notified by Bank of America, N.A. to such Lender in an amount not to exceed such Lender’s portion of the Tranche B-2 Term Loan held by such Lender immediately prior to the effectiveness of the Amendment.

☐    Consent and Reallocation of Tranche B-2 Term Loan. The undersigned hereby irrevocably and unconditionally consents to the Amendment but requests its outstanding portion of the Tranche B-2 Term Loan be assumed by Bank of America, N.A. on the Third Repricing Amendment Effective Date and subsequently reallocated to the undersigned by assignment to one or more entities separately identified to Bank of America, N.A. by the undersigned in an amount as may be notified by Bank of America, N.A. to such Lender in an amount not to exceed such Lender’s portion of the Tranche B-2 Term Loan held by such Lender immediately prior to the effectiveness of the Amendment.