Introductory Career & Technical Education (CTE) Courses in 6 Career Clusters
Excellence Beyond Textbooks — Stars in Academics & Fine Arts
2025-2028 Apple Distinguished School for inspiring, imagining and impacting teaching and learning schoolwide through innovation
Competitive academic, sports and extracurriculars

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 | 956.260.2200

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

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Preparatory Academy at a Glance

Best Middle School in Texas 

TEA Accountability Rating 

Champs in competitive sports 

available high school credits can be earned 

South Texas ISD Recognized as a CTE District of Distinction by Career and Technical Association of Texas

South Texas Independent School District (STISD) is proud to announce its selection as a CTE District of Distinction by the Career and Technical Association of Texas (CTAT). This esteemed recognition celebrates districts across Texas that demonstrate exemplary leadership, innovation, and commitment to student success through high-quality Career and Technical Education (CTE) programs.

Read More about South Texas ISD Recognized as a CTE District of Distinction by Career and Technical Association of Texas
Three STISD high schools earn spots on 2025 Advanced Placement School Honor Roll

College Board has recognized three STISD high schools for outstanding achievement in Advanced Placement coursework, naming them to the 2025 Advanced Placement® (AP®) School Honor Roll.

The honored campuses are STISD Science Academy in Mercedes, STISD Health Professions in Mercedes, and STISD Medical Professions in Olmito—each recognized for delivering strong academic results while expanding access to rigorous college-level coursework.

Read More about Three STISD high schools earn spots on 2025 Advanced Placement School Honor Roll

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