September 18, 2015

                                POWER OF ATTORNEY

        KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints each of Denis M. Holler, Linda De Renzo and Gina L. Martin, signing
singly, the undersigned's true and lawful attorney-in-fact to: (i) execute for
and on behalf of the undersigned, in the undersigned's capacity as an officer
and/or director and/or owner of greater than 10% of the outstanding Common Stock
of Civitas Solutions, Inc. (the "Company"), Forms 3, 4 and 5 (including any
amendments, supplements or exhibits thereto) in accordance with Section 16(a) of
the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the
rules thereunder, as well as Schedule 13D or Schedule 13G in accordance with
Section 13(d) of the Exchange Act and the rules thereunder and any amendments
thereto; (ii) do and perform any and all acts for and on behalf of the
undersigned which may be necessary or desirable to complete and execute any such
Form 3, 4 or 5 and Schedule 13D or 13G (including any amendments, supplements or
exhibits thereto) and timely file such forms with the United States Securities
and Exchange Commission and any stock exchange or similar authority, including
the New York Stock Exchange; and (iii) take any other action of any type
whatsoever in connection with the foregoing which, in the opinion of such
attorney-in-fact, may be of benefit to, in the best interest of, or legally
required by, the undersigned, it being understood that the documents executed by
such attorney-in-fact on behalf of the undersigned pursuant to this Power of
Attorney shall be in such form and shall contain such terms and conditions as
such attorney-in-fact may approve in such attorney-in-fact's discretion.

        The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall
lawfully do or cause to be done by virtue of this power of attorney and the
rights and powers herein granted. The undersigned acknowledges that the
foregoing attorneys-in-fact, in serving in such capacity at the request of the
undersigned, are not assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with Section 16 or Section 13(d) of the
Exchange Act.

        This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5 or Schedule 13D or
Schedule 13G with respect to the undersigned's holdings of and transactions in
securities issued by the Company, unless earlier revoked by the undersigned in a
signed writing delivered to the foregoing attorneys-in-fact.

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        IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of date first written above.

                                        By: /s/ Bruce F. Nardella
                                           -------------------------------------
                                        Name: Bruce F. Nardella