South Texas ISD Science Academy
#44
Best ACT in Texas High Schools
795
Students
13.4:1
S:T Ratio
School Snapshot
Key metrics at a glance1,270
A-
28
A
22
A+
85%
A
13:1
A-
95%
A+
90%
A+
64%
B+
This Week at South Texas ISD Science Academy – June 24, 2026
104 students practicing on Varsity Tutors
Academic Resources
Typical courses and practice resources for students at South Texas ISD Science Academy
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at South Texas ISD Science Academy.
National Tests
June 20, 2026 – July 4, 2026
SAT Score Release Date
June 24, 2026
ACT
July 1, 2026 – July 31, 2026
AP Score Release — All
July 6, 2026
ACT Photo Upload/Standby Deadline
July 11, 2026
ACT — National
July 21, 2026
ACT
After South Texas ISD Science Academy
Where graduates go and what they studyUniversity of Texas - Austin
Texas A&M University
University of Texas Rio Grande Valley
Rice University
The University of Texas at San Antonio
University of Houston
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Texas Tech University
Biology
Mechanical Engineering
Computer Science
Engineering
Bioengineering and Biomedical Engineering
Business
Electrical Engineering
Architecture
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900 Med High Dr, Mercedes, TX 78570
(956)565-4620
South Texas Independent School District