South Texas Independent School District

South Texas Independent School District (STISD) is comprised of six magnet schools throughout the Rio Grande Valley. These are as follows: 

Middle Schools (Grades 7 and 8):

• South Texas ISD Preparatory Academy (Preparatory Academy) in Edinburg 
• South Texas ISD Rising Scholars Academy (Rising Scholars Academy) in San Benito

High Schools (Grades 9-12):

• South Texas ISD Health Professions (Health Professions) in Mercedes
• South Texas ISD Medical Professions (Medical Professions) in Olmito
• South Texas ISD Science Academy (Science Academy) in Mercedes
• South Texas ISD World Scholars (World Scholars) in Edinburg - previously South Texas Business, Education & Technology Academy (BETA)