Graduate with 1 of 9 medical + business certifications
Creating is encouraged
Non-traditional hands-on learning opportunities

Free Bus Transportation

Students come from three Rio Grande Valley Counties: 

Cameron, Hidalgo and Willacy

Area of 3,643 miles

Hidalgo Edinburg Mercedes Willacy Cameron San Benito Olmito
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510 S. Sugar Rd., Edinburg, TX 78539

(956) 383-1684

900 Med High Dr., Mercedes, TX 78570

(956) 565-4620

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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

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Serving STISD's tri-county area | 956.514.4201

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Welcome to STISD's seventh and newest campus, an all-virtual learning option for RGV

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Health Professions at a Glance

best places to teach in Texas 

Best Teachers in Texas 

school district in Texas 

of STISD graduates attend college/university | 1%: Military 

STISD Earns Honor in 2023 Magna Awards Program for Innovation

We are happy to announce that South Texas ISD (STISD) is a National School Boards Association (NSBA) 2023 Magna Award winner. STISD was recognized for its commitment to innovation as a winner in the 29thannual awards program, and is one of 18 winners — three Grand Prize winners, nine Silver Award winners, and six honorable mentions — across the nation receiving this honor.

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Facts regarding today's lock down at Preparatory Academy

We thank you again for your patience today as we worked with law enforcement to address a situation we had at our Preparatory Academy campus and our Edinburg complex. We know there are rumors circulating on campus and outside of STISD regarding what happened, and we want to make sure our community is informed on the facts regarding the incident.

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Alert: Lockdown today, March 3 at Edinburg Schools

There was a suspicious incident at our Preparatory Academy campus just before 10 o’ clock a.m. today. Out of an abundance of caution, we immediately placed the school on lockdown and worked with our local law enforcement to ensure all students and staff were safe and secure. The lockdown has been lifted, and we are releasing students whose parents wish to pick them up early.

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