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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...

2014 Summer Office Hours
Please note that from June 9 through August 8, 2014, STISD Central Office hours will be as follows:
Monday-Thursday: 7:30 a.m.-6:00 p.m.; Closed on Fridays

All campuses will also be following the same office hours after July 3.

2014-2015 Enrollment

South Texas Independent School District is currently enrolling for the 2014-2015 school year for the following campus and grade:

Medical Academy: 9th grade only - Please contact the campus at (956) 399-4331 or via e-mail at diana.vasquez@stisd.net for additional information regarding the enrollment process or to enroll.

For additional information regarding the enrollment process, visit the Enrollment and Enrollment Timeline sections of the website.

Countdown Clocks

Recent News
Two Seats to Open for South Texas ISD Board of Directors in Cameron, Hidalgo and Willacy County
Posted on 07/17/2014
Important Insurance Information for 2014-2015 School Year
Posted on 07/16/2014
This is important information regarding employee health insurance for the 2014-2015 school year.   READ MORE...
STISD Will Conduct School Board Trustee Elections in the Fall
Posted on 06/17/2014
School board trustee elections will be held on November 4, 2014. Additional information about the process is available on the district website.  READ MORE...
Medical Academy Senior Named 2014 Youth of the Year
Posted on 06/03/2014
South Texas Academy for Medical Professions (Medical Academy) senior Kelsey Sullivan, of Harlingen, was recently named a Youth of the Year award winner by the Rio Grande Valley Sector of the U.S. Border Patrol. Sullivan is one of four high school seniors from across the Rio Grande Valley selected for the prestigious honor.  READ MORE...

  July 2014  
Go to Main Calendar

   Meeting of STISD Board of Directors
   Jul 29 2014 at 07:00 PM
   First Day of Instruction
   Aug 25 2014
   STISD 50-Year Anniversary Celebration
   Nov 22 2014


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