tillwood Study Center is a not-for-profit educational membership organization, incorporated under New York State law. It has been granted tax-exempt status [501(C)(3)] by the Internal Revenue Service.

The purpose of Stillwood Study Center is:

• To promote interest in and to study ideas relating to human development with the aim of enabling men and women to function more intelligently and actively within their community.
• To investigate man's responsibility to himself, to others, and to his environment.
• To promote the exchange of such ideas among its members and other people with similar interests.
• To apply these ideas experimentally by working together through the use of arts, crafts, writing, dance, music, etc.