Experience high school + college together
CTE at STISD! Choose from 21 different programs of study within 10 career clusters + opportunity to graduate with one of 36 certifications.
Best of both worlds - competitive academics + athletics
Learn from best-in-state educators and field professionals
Providing the best hands-on experience
Our Schools
South Texas ISD Health Professions
South Texas ISD Medical Professions
South Texas ISD Preparatory Academy
South Texas ISD Rising Scholars Academy
South Texas ISD Science Academy
South Texas ISD World Scholars
South Texas ISD Virtual Academy
Free Bus Transportation
Students come from three Rio Grande Valley Counties:
Cameron, Hidalgo and Willacy
Hidalgo Edinburg Mercedes Willacy Cameron San Benito Olmito
510 S. Sugar Rd., Edinburg, TX 78539
(956) 383-1684
900 Med High Dr., Mercedes, TX 78570
(956) 565-4620
151 S. Helen Moore Rd., San Benito, TX 78586
(956) 399-4358
724 S. Sugar Rd., Edinburg, TX 78539
(956) 381-5522
10650 North Expressway 77/83, Olmito, TX 78575
(956) 214-6100
700 Med High Dr., Mercedes, TX 78570
(956) 565-2237
Serving STISD's tri-county area | 956.260.2200
South Texas ISD at a Glance
![Headshot photo of Sandra Garza Ochoa]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1786982300/qrbawl4jcust0lwepj0p/DrSandraGarzaOchoa2026_1.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1786982300/qrbawl4jcust0lwepj0p/DrSandraGarzaOchoa2026_1.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1786982300/qrbawl4jcust0lwepj0p/DrSandraGarzaOchoa2026_1.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1786982300/qrbawl4jcust0lwepj0p/DrSandraGarzaOchoa2026_1.jpg","width":990}])
Letter from the Superintendent: Welcome to the 2026-2027 School Year!
As we begin the 2026-2027 school year, Superintendent Dr. Sandra Garza Ochoa welcomes South Texas ISD students and families and shares the district’s commitment to supporting every student’s success. Read her welcome message and learn how our schools and families can work together to make this a successful year for all.
![Decorative image showing students for a Back-2-school message]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1786652773/stisdnet/serufuvej4amfmjhun4g/BackToSchool-Graphic-1080x1080.png","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1786652773/stisdnet/serufuvej4amfmjhun4g/BackToSchool-Graphic-1080x1080.png","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1786652773/stisdnet/serufuvej4amfmjhun4g/BackToSchool-Graphic-1080x1080.png","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1786652773/stisdnet/serufuvej4amfmjhun4g/BackToSchool-Graphic-1080x1080.png","width":1080}])
Your STISD Back-2-School Guide - Resources for Students and Families
STISD is ready to welcome students back to campus on Monday, August 17.
Whether you’re a returning STISD family or joining us for the first time, we’ve pulled together some helpful Back-2-School resources to make getting ready for the new school year a little easier.
![Decorative image showing information about our Nutrition department.]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1786646439/stisdnet/syvbbxbotkjyyzsbswxa/Nutrition2026-2027-1080x1080.png","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1786646439/stisdnet/syvbbxbotkjyyzsbswxa/Nutrition2026-2027-1080x1080.png","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1786646439/stisdnet/syvbbxbotkjyyzsbswxa/Nutrition2026-2027-1080x1080.png","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1786646439/stisdnet/syvbbxbotkjyyzsbswxa/Nutrition2026-2027-1080x1080.png","width":1080}])
Back-2-School Nutrition Updates
With the new school year just around the corner, STISD is preparing to welcome students back to campus with nutritious meals and options.
The STISD Nutrition Department has released its August breakfast and lunch menus, giving students and families an opportunity to plan ahead for the first weeks of school.
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STISD Central Office Teaching & Learning Center (7001 E. Expressway 83, Mercedes)