The purpose of the Alumni Association is to provide the means of a continuing relationship between Allen and its former students. The association strives to stimulate intellectual and social participation of all members of the association, and to enable them to contribute to and share in the enhancement of the school. In addition, the association endeavors to foster deeper concern among its members for the welfare of Allen, to strengthen the bond of understanding between the school and the community, to encourage gifts, to attract outstanding students and faculty, and to contribute toward maintaining Allen as a leader in the field of independent education.

The Alumni Association also develops opportunities for the School to celebrate our unique and varied history, encourage volunteer service to the School, furnish financial support in conjunction with the Head of School, strengthen a sense of Allen pride by advocating for the School both within and outside of our community, and develop and encourage participation of the alumni in key aspects of school life.