Students can earn up to 17 high school credits
Always learning and keeping up with the latest in education
Competitive academic, sports and extracurriculars
Creating is encouraged

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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Preparatory Academy at a Glance

Best Middle School in Texas 

TEA Accountability Rating 

Champs in competitive sports 

available high school credits can be earned 

In Frame: Samuel + Timothy Qin

These two are quite the duo - similar yet different and bring their own unique flare despite the obvious.

Our students in frame: Timothy and Samuel Qin enjoy basketball, swimming, chess, piano playing, competing in UIL academic events and hanging out with friends - and the best part: they get to do it all together.

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Student In Frame - STISD's first-ever Coca Cola Scholar: Alfia Bilal

There's often a silent exchange from STISD's first-ever Coca-Cola scholar and soon-to-be grad walking the halls, a student that just keeps going and going and going. Behind that silence, there's a whole lot of sleepless nights, sweat, and tears that others don't see, shaping quite the esteemed and accomplished individual, leading to the beauty behind it all.

Alfia is one of 150 high school seniors from an initial pool of 103,800+ applications from across the country to be named a 2024 Coca-Cola Scholar. That's less than 1/6th of 1% of applicants. 😮 Pretty impressive, don't you think?

Read More about Student In Frame - STISD's first-ever Coca Cola Scholar: Alfia Bilal
South Texas ISD Science Academy engineering teacher receives 'Outstanding Teacher' award from the UTRGV College of Engineering and Computer Science

Late last month, the University of Texas Rio Grande Valley (UTRGV) College of Engineering and Computer Science (CECS) honored its inaugural Outstanding Secondary Education Teacher of the Year during its E-Week & Broadening Participation in Engineering Summit. This year’s award recipient is Nelly Houston, engineering teacher and Career and Technical Education (CTE) department team leader at STISD Science Academy in Mercedes.

Read More about South Texas ISD Science Academy engineering teacher receives 'Outstanding Teacher' award from the UTRGV College of Engineering and Computer Science

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