Preparing you for college, a career and life
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Best of both worlds - competitive academics + athletics
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Providing the best hands-on experience through best in state educators and field professionals
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Find your fit: Choose from 10 different careers, 22 programs of study, over 90 course offerings + the opportunity to graduate with one of 40 available certifications
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Follow your passions + join the ever-growing community of leaders and innovators
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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 

Region One ESC Selects Regional Superintendent of the Year: South Texas ISD Superintendent Receives Top Honor

Dr. Marco Antonio Lara, Jr., STISD Superintendent, has been selected as the Region One 2022 Regional Superintendent of the Year. As a regional winner, Dr. Lara will represent the Region One area in the statewide Superintendent of the Year Award Program. Under the direction of the Texas Association of School Boards, the Superintendent of the Year Program recognizes exemplary superintendents for excellence and achievement in educational leadership.

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STISD announces dress code and backpack guidelines for 2022-2023

In preparation for the 2022-2023 school year and to allow families ample time to plan ahead and get needed items, STISD has published its 2022-2023 Dress Code + Backpack Guidelines. These guidelines are available in English and Spanish within the Back-to-School Resources section of the Parent Hub.

Read More about STISD announces dress code and backpack guidelines for 2022-2023
Texas GLO Homeowner Assistance and Reimbursement Programs Seeking Applications

The Texas General Land Office's Homeowner Assistance and Reimbursement Programs (HARP) is still seeking applicants within Cameron, Hidalgo, and Willacy counties whose homes were damaged by flooding in 2018 and 2019. The program assists residents with home repairs or full reconstruction, as well as repayment of eligible out-of-pocket repair costs up to $50,000.

Read More about Texas GLO Homeowner Assistance and Reimbursement Programs Seeking Applications

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