South Texas Isd Science Academy: Top Charter High School in Mercedes (2026 List)

About South Texas Isd Science Academy

The South Texas Isd Science Academy is one of the best schools in Mercedes, Texas. It offers a specialized public magnet education for students in grades 9–12. The academy is known as one of the best schools because it has a strong focus on STEM and offers a wide range of Advanced Placement courses as well as vocational programs in fields like welding and automotive work. There are a lot of student clubs on campus that make it an interesting place to be. For example, the National Honor Society and a solar car team. The students do well in school, with a 56% Mathematics Proficiency and a 91% Reading Proficiency. The school has a student-teacher ratio of about 15:1, which means that each student gets individual attention. Parents can also stay involved through digital portals and newsletters. People say that South Texas Isd Science Academy is one of the best schools because it offers both great academics and technical training. Its main strengths are its wide-ranging STEM curriculum and its dedication to getting a wide range of students ready for college and specialized careers, and it is one of the best high schools in Texas.

Academic Performance

Subject Proficiency

Mathematics 91%

Reading 56%

State average proficiency is 91% in Math and 56% in Reading.

56

Full-time Teachers

15 : 1

Student-Teacher Ratio

846

Total Students

$66547

Avg. Teacher Salary

Student Demographics

White 8.63%

Asian 6.62%

Hispanic 82.51%

Black 1.54%

Two+ Races 0.71%

Native Am. 0%

White

8.63%

Asian

6.62%

Hispanic

82.51%

Black

1.54%

Two+ Races

0.71%

Native Am.

0%

Gender Distribution

Total Students: 846

34.87%

295 Female

65.13%

551 Male

Student Population

846 Students

With a student-teacher ratio of 15 : 1

Minority Enrollment

25%

Percentage of minority students

Students per Counselor

247 : 1

Student to counselor ratio

South Texas Isd Science Academy Contact Information

Address

900 MED HIGH DR, MERCEDES, TX, 78570

View on Map

Phone

(956) 565-4620

Call Now

Website

http://scitech.stisd.net

Recent News & Updates

New Playground Name

We are so excited to announce the name of our new playground! Following a school-wide and Robinson community vote we narrowed a large list of names down to four. Since our students will be using the playground on a daily basis, we gave them the final vote! 476.....

School Timings

Regular School Hours

All Grades: 8:30 AM to 4:10 PM

Early Dismissal Days

Dismissal Time: 12:15 PM

Note: Doors open at 8:15 AM for student arrival. Please refer to the school calendar for specific early dismissal dates.

After School Activities

Information coming soon

School Session Dates

September to June

School session starts in September 1st week and ends in June 3rd week. For exact dates, please contact the school.

Remarkable Alumni

Being Updated

Map

Latest News

The South Texas ISD Science Academy is still doing a great job of teaching STEM, and its solar car team and National Honor Society chapter are leading the way in new, creative student projects. The school was recently added to the 2025 Educational Results Partnership Honor Roll because it has consistently high academic performance and student success. The school's updated online portal makes it easier for parents and students to see course calendars and grades. This makes it easier for parents and students to talk to each other and keep track of their schoolwork in real time.

FAQ

Q1. How does South Texas Isd Science Academy get students ready for success in the future?

Ans. Planning, skill-building, and guidance programs help students make the transition to college, vocational training, or a job.

Q2. Does South Texas Isd Science Academy make it easy for students to learn?

Ans. Yes, South Texas Isd Science Academy stresses inclusion, staff support, and learning together to help all students do well.

Q3. What does South Texas Isd Science Academy do to help students get ready for life after graduation?

Ans. College planning, mentoring, and skill-building programs help students move on to higher education, vocational paths, or jobs.

Q4. Do students get help with standardized tests?

Ans. Yes. Yes, of course! The school has resources to help students get ready for the SAT and ACT tests.

Q5. Are students allowed to go to cultural and arts events?

Ans. Yes, South Texas Isd Science Academy encourages students to be creative by offering programs in music, theater, and the visual arts.

Games & Extracurricular Activities

Sports

Soccer Club Grades 1-3 | Mon/Wed 3:30-4:30pm
Basketball Grades 2-4 | Tue/Thu 3:30-4:45pm
Track & Field Grades 3-5 | Fri 3:30-5:00pm

Arts

Art Club Grades K-2 | Mon 3:00-4:00pm
Drama Club Grades 3-5 | Wed 3:30-5:00pm
Choir Grades 2-5 | Thu 3:15-4:15pm

Clubs

Chess Club Grades 2-5 | Fri 3:15-4:15pm
Garden Club All Grades | Tue 3:15-4:00pm
Robotics Club Grades 3-5 | Thu 3:30-5:00pm

Note: Schedules may change during school holidays. Please contact School for exact Schedule.

Summer Suggested Reading

Horn Book Selections

Vocabulary.com +3 Horn Book +3 What to Read to Your Kids +3

ML

Maggie Lou, Firefox

by Arnolda Dufour Bowes

PS

The Puppets of Spelhorst

by Kate DiCamillo

MLV

The Mona Lisa Vanishes

by Nicholas Day

Vocabulary.com Top Picks

Penguin Random House +10 Vocabulary.com +10 Wikipedia +10

F

Frindle

by Andrew Clements

WR

The Wild Robot

by Peter Brown

JGP

James and the Giant Peach

by Roald Dahl

Penguin Random House Features

Horn Book +2 Penguin Random House +2 The Guardian +2

SLB

The Secret Language of Birds

by Lynne Kelly

S

The Swifts: A Dictionary of Scoundrels

by Beth Lincoln

Free Robotics and Stem In-person Workshop in Your Neighbourhood for 7-14 Years Tech Enthusiasts.

Local kids are transforming ideas into real-world.

See the projects happening right in your neighborhood

What Parents Say