Extension programs educate Texans in the areas of agriculture, environmental stewardship, youth and adult life skills, human capital and leadership, and community economic development and offers the knowledge resources of the land-grant university system to educate Bexar County residents for self-improvement, individual action and community problem solving. Texas AgriLife Extension is a statewide educational agency and a member of the Texas A&M University System (TAMUS), linked in a unique partnership with the nationwide Cooperative Extension System and Texas county governments.

Extension values and promotes principles of citizen and community involvement, scientifically-based education, lifelong learning, and volunteerism. It provides access to all citizens and works cooperatively with other TAMUS parts, county departments, and external agencies and organizations to achieve its goals.

Extension programs are open to all people without regard to race, color, sex, disability, religion, age, or national origin.