Graduate with 1 of 12 available medical certifications
Competitive academic, sports and extracurriculars
Career and Technical Education (CTE) Hands-On Learning and Training
Excellence Beyond Textbooks — Stars in Academics & Fine Arts
CTE Internship Opportunities through Community Partnerships

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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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 

Invitation: Parent Connection Symposium on Nov. 12 - "Empowering Students and Families for Life After High School with Support from Texas Workforce Commission and Texas RioGrande Legal Aid"

Join us for our upcoming Parent Connection meeting on Wednesday, November 12, from 5:30–6:30 p.m. This event offers parents an opportunity to connect, learn, and gain valuable information from Workforce Solutions and Texas RioGrande Legal Aid (TRLA).

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Join us on Thursday, Nov. 6, for the Fall Family Literacy Parent Meeting: AI & STISD Families: Empowering Parents for the Digital Age

Join us on Thursday, Nov. 6, at 5:30 p.m. at the STISD Administration Building in Mercedes for an exciting presentation on “AI (Artificial Intelligence) & STISD Families: Empowering Parents for the Digital Age.” Learn how AI is shaping the world our students live in — and how you can help guide them safely and confidently.

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Notification of the passing of Science Academy student

STISD Family,

It is with great sadness that I share that one of our Science Academy students, Colin Feltis, passed away yesterday evening after being involved in a serious car accident. Prior to his time at the Science Academy, Colin also attended World Scholars for a couple of years. 

Our hearts are with all family, friends and others who have been impacted by this tragedy. This is a great loss not only for Colin’s family, but for our entire South Texas ISD community. During this difficult time, it is of utmost importance that we come together as a district family to grieve and to support one another. In addition to our campus-based counseling staff at Science Academy and World Scholars, we have brought in additional counselors from across the district to support our students and staff members at both schools. 

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