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Welcome to South Texas Independent School District

South Texas Independent School District (STISD) serves junior high and high school students who live along the southernmost tip of Texas, the region known as the Rio Grande Valley. The district stretches over three counties - Cameron, Hidalgo and Willacy - and overlaps 28 other school districts, an area of 3,643 miles. Read more...

Enrollment for the 2015-2016 School Year:

Enrollment for the 2015-2016 school year is underway.

The following campuses and grades are still accepting students. Please note that all campuses not listed below are already closed.

BETA (in Edinburg): 9th- and 10th-grade
Medical Academy
(moving to Brownsville in the fall): 9th-grade only
Rising Scholars/STARS (new junior high in San Benito): 7th-grade only

Learn more about the Enrollment process here.

2014 Community and Student Engagement
Locally Assigned Accountability Ratings:  Click here for 2014 ratings
Recent News
Summer Symposium for Rising 11th-Graders Begins July 6
Posted on 06/25/2015
STISD's Summer Leadership and Virtual College Symposium for rising 11th-graders within the district will be held July 6-8 at Med High in Mercedes.  READ MORE...
First of Two Summer Symposiums Begins on Monday, June 22
Posted on 06/18/2015
The first of two STISD Summer Leadership and Virtual College Symposiums will be held June 22-24.  READ MORE...
BETA's Valedictorian & Salutatorian Spotlight
Posted on 06/10/2015
Sonal Jha of Edinburg, the 2015 Valedictorian at South Texas Business, Education & Technology Academy (BETA), will be part of the first class of The University of Texas Rio Grande Valley, where she will study pre-medical science in the fall.   READ MORE...
Countdown to Commencement: Patricia Guzman & Helen Chen
Posted on 06/04/2015
Patricia Guzman and Helen Chen were featured in a series of articles created by the Mid-Valley Town Crier to recognize Valedictorians and Salutatorians from Mid-Valley campuses.   READ MORE...

  June 2015  
Go to Main Calendar


100 Med High Dr.
Mercedes, TX 78570

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  • South Texas Independent School District (956) 565-2454
  • 100 Med High Dr., Mercedes, TX 78570