Continuing to create a culture of learning by doing
Ophthalmology students seen practicing skills on medial equipment
Still educating and staying connected even in challenging times
In-person students seen engaging with virtual students during class discussion
Setting students up for success in a competitive and evolving world
Health Science student seen working on baby simulator with instructor
Safely transforming education
Students seen practicing putting on personal protective gear

Our Schools

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

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

South Texas ISD 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 

Science Academy senior earns Gates Scholarship

Math enthusiast and South Texas ISD Science Academy senior Raul Hernandez is one of 300 students to earn the Gates Scholarship. Hernandez will pursue his studies at Massachusetts Institute of Technology and major in mathematics + computer science.

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Preparatory Academy earns National distinction by being re-designated a School to Watch

The National Forum to Accelerate Middle-Grades Reform and the Texas Association of Secondary School Principals (TASSP) as part of a national recognition program have re-designated South Texas ISD Preparatory Academy (Preparatory Academy) in Edinburg and South Texas ISD as a Texas School to Watch.

Read More about Preparatory Academy earns National distinction by being re-designated a School to Watch
Garza Elected to State Association Board

The Texas Association of School Boards (TASB) Board of Directors has elected Sylvia Sánchez Garza of South Texas ISD to an interim position on the TASB Board, representing TASB Region 1, Position B.

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