Specializing in Science, Technology, Engineering and Math (STEM) careers
Project Lead the Way Distinguished School - a national pre-engineering program where students can receive college credit as early as freshman year
Excellence Beyond Textbooks — Stars in Academics & Fine Arts
Take Career & Technical Education (CTE) courses + Earn industry-based certifications
Competitive academic, sports and extracurriculars

Free Bus Transportation

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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Science Academy at a Glance

School District in Texas 

of students take PLTW courses

of six PLTW Distinguished high schools in Texas 

of STISD graduates attend college/university | 1 percent military

STISD Back-2-School Kick-Off: Schedules, Supplies, Food & Fun

Get ready to kick off the 2026-2027 school year at our STISD Back-2-School Kick-Off!

Join us as we welcome students and families back to campus. Meet teachers, tour the campus, connect with clubs and organizations, enjoy free food, participate in games and activities, and pick up your school supplies—provided by STISD at no cost to families.

Students who are registered for the 2026-2027 school year can also pick up their schedules during the event.

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STISD Extends Free Summer Meals Through July 30

South Texas ISD has extended its free summer meals program through Thursday, July 30.

Children 18 and younger, as well as enrolled students with disabilities up to age 21, can continue enjoying free breakfast and lunch at four STISD campuses. 

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CTE Non-Discrimination Statements

South Texas Independent School District offers Career and Technical Education programs in Agriculture, Food & Natural Resources; Architecture & Construction; Arts, A/V Technology & Communications; Business, Marketing & Finance; Engineering; Health Science; Hospitality & Tourism; Human Services; Information Technology; Law & Public Service; Manufacturing; and Transportation, Distribution & Logistics. Admission to these programs is based on student interest, aptitude, age appropriateness and class space availability.

It is the policy of South Texas Independent School District not to discriminate on the basis of race, color, national origin, sex or handicap in its vocational programs, services or activities and provides equal access to the Boy Scouts and other designated youth groups as required by Title VI of the Civil Rights Act of 1964, as amended

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