Preparing you for college, a career and life
Best of both worlds - competitive academics + athletics
Providing the best hands-on experience through best in state educators and field professionals
Find your fit: Choose from 9 different Career Clusters, 22 Programs of Study and over 90 + Course offerings + opportunity to graduate with one of 31 available certifications
Follow your passions + join the ever-growing community of leaders and innovators

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

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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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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 

STISD and four STISD campuses make the Educational Results Partnership Honor Roll lists for 2023

Educational Results Partnership (ERP) recently released its ninth annual “Honor Roll” list, which recognizes top public schools, school districts and charter schools that have outperformed their peers in closing achievement gaps, particularly among higher-poverty and historically disadvantaged student populations.

STISD earned a spot on this year’s Texas Honor Roll Districts list, while four STISD campuses earned spots on the Honor Roll Schools list, including Health Professions, Preparatory Academy, Rising Scholars, and World Scholars.

Read More about STISD and four STISD campuses make the Educational Results Partnership Honor Roll lists for 2023
Three STISD students selected for competitive STEM Enhancement in Earth Science Summer High School Intern Program

Three students from STISD Science Academy were selected to participate in this year's STEM Enhancement in Earth Science (SEES) Summer High School Intern Program in collaboration with The University of Texas Center for Space Research (UT/CSR) and the National Aeronautics and Space Administration (NASA).

Read More about Three STISD students selected for competitive STEM Enhancement in Earth Science Summer High School Intern Program

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