The mission of the Nina Heard Astin Charitable Trust is to support a variety of charitable causes. While the trust does not limit its philanthropy geographically, it primarily focuses on assisting organizations based in Texas.
The grant program from the Nina Heard Astin Charitable Trust aims to fund a broad range of nonprofit initiatives. Specifically, it supports projects and organizations in the following areas: arts, culture, and humanities; education; environment and animals; health; human services; and religion. This comprehensive approach allows the Trust to impact various sectors, contributing to a wide array of community improvement efforts.