South Texas Independent School District (STISD) is comprised of six magnet schools:
- Rising Scholars Academy of South Texas (Rising Scholars) - new junior high that opened in the fall of 2015 in San Benito;
- South Texas Academy for Medical Professions (Medical Academy) in San Benito - relocated to Olmito in the fall of 2015;
- South Texas Business, Education & Technology Academy (BETA) in Edinburg;
- South Texas High School for Health Professions (Med High) in Mercedes;
- South Texas Preparatory Academy (STPA) in Edinburg; and
- The Science Academy of South Texas (Sci Tech) in Mercedes