Exhibit 23.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM PHC, Inc. Peabody, MA We hereby consent to the incorporation by reference in the Prospectus constituting a part of this Amendment number 2 to the Registration Statement on Form S-3 of PHC, Inc. (the "Company") of our report dated August 12, 2004 (except with respect to the matter discussed in Note M as to which the date is September 20, 2004), relating to the consolidated financial statements of PHC, Inc. appearing in the Company's Annual Report on Form 10-KSB for the year ended June 30, 2004. We also consent to the reference to us under the caption "Experts" in the Prospectus. /s/ BDO Seidman, LLP Boston, Massachusetts October 7 , 2004 - 39 -