• Home
  • Home
  • Home
  • Home
  • Home
  • Home

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...

We are currently enrolling students for 9th-grade at Medical Academy for the second semester of the 2014-2015 school year. To enroll, please click here.

2014 Community and Student Engagement
Locally Assigned Accountability Ratings:  Click here for 2014 ratings

Recent News
STISD and Campuses Ranked Among the Best in Texas
Posted on 12/19/2014
South Texas Independent School District (STISD) and all of its campuses were ranked among the best in the state in the Niche 2015 Best K-12 Schools list released this week.  READ MORE...
Enrollment for all STISD campuses will open on Sat., Jan. 17
Posted on 12/15/2014
STISD enrollment for the 2015-2016 school year will open on Saturday, Jan. 17, 2015.  READ MORE...
Science Academy students using Autodesk software in the classroom
Posted on 12/03/2014
Students from The Science Academy of South Texas (Sci Tech) in Mercedes were recently featured in videos and a case study produced by Project Lead the Way (PLTW) and Autodesk®.  READ MORE...
District Takes and Encourages Precautionary Measures Against Communicable Diseases
Posted on 10/24/2014
STISD is taking precautionary measures, and urging students and staff to do the same, to ensure safety against communicable diseases.  READ MORE...

  December 2014  
Go to Main Calendar

   Christmas Break
   Dec 22 2014
   Enrollment for Med High
   Jan 17 2015 at 09:00 AM
   Enrollment for Medical Academy
   Jan 17 2015 at 10:00 AM
   Enrollment for Sci Tech
   Jan 17 2015 at 11:00 AM
   Enrollment for BETA
   Jan 17 2015 at 12:00 PM
   Enrollment for STPA
   Jan 17 2015 at 01:00 PM
   Enrollment for STARS
   Jan 17 2015 at 02:00 PM


100 Med High Dr.
Mercedes, TX 78570

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