Power of Attorney for David M. Duckworth

This filing contains a Power of Attorney document (Exhibit 24) for David M. Duckworth, who is an officer of Acadia Healthcare Company, Inc. (Interim CFO). The document authorizes Brian P. Farley and Adam Hyatt to act as attorneys-in-fact on behalf of Mr. Duckworth. Their responsibilities include preparing and executing necessary forms (Forms 3, 4, and 5) for electronic filing with the SEC, as required by Section 16(a) of the Securities Exchange Act of 1934. This authorization allows the attorneys-in-fact to manage filings related to Mr. Duckworth's stock ownership and transactions in Acadia Healthcare Company, Inc. securities. The Power of Attorney remains effective until Mr. Duckworth is no longer required to file these forms or until it is revoked in writing. The document was signed on May 11, 2026.