First high school in the state to offer national dental assistant certification
10 Professional Medical Certifications Offered
Competitive academic, sports & 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
map

510 S. Sugar Rd., Edinburg, TX 78539

(956) 383-1684

900 Med High Dr., Mercedes, TX 78570

(956) 565-4620

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

Medical Professions at a Glance

years ranked among the best in the state & nation 

advanced placement (AP) courses offered 

hours of clinical experience can be earned before graduation 

professional medical certifications available 

medical & post-secondary partnerships established 

Preparatory Academy earns National distinction by being re-designated a School to Watch

The National Forum to Accelerate Middle-Grades Reform and the Texas Association of Secondary School Principals (TASSP) as part of a national recognition program have re-designated South Texas ISD Preparatory Academy (Preparatory Academy) in Edinburg and South Texas ISD as a Texas School to Watch.

Read More about Preparatory Academy earns National distinction by being re-designated a School to Watch
Garza Elected to State Association Board

The Texas Association of School Boards (TASB) Board of Directors has elected Sylvia Sánchez Garza of South Texas ISD to an interim position on the TASB Board, representing TASB Region 1, Position B.

Read More about Garza Elected to State Association Board

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