Science Academy of South Texas, also known as "SciTech", is a high school in Mercedes, Texas, United States, as part of the South Texas Independent School District. This campus is ranked among the top 1% Best Public High Schools in America.
Serving 840 students in grades 9-12, South Texas Isd Science Academy ranks in the top 5% of all schools in Texas for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 75-79% (which is higher than the Texas state average of 44%). The percentage of students achieving proficiency in reading/language arts is 80-84% (which is higher than the Texas state average of 51%).
The student-teacher ratio of 13:1 is lower than the Texas state level of 14:1.
Minority enrollment is 92% of the student body (majority Hispanic), which is higher than the Texas state average of 76% (majority Hispanic).
Quick Facts (2026)
- School Type: Magnet School
- Grades: 9-12
- Enrollment: 840 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 92%
- Graduation Rate: ≥95% (Top 20% in TX)
- Overall Testing Rank: Top 5%
- Math Proficiency: 75-79% (Top 5%)
- Reading Proficiency: 80-84% (Top 5%)
- Science Proficiency: 75-79% (Top 5%)
- Source: National Center for Education Statistics (NCES), TX Dept. of Education
Top Rankings
South Texas Isd Science Academy ranks among the top 20% of public schools in Texas for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
School Overview
South Texas Isd Science Academy's student population of 840 students has grown by 5% over five school years.
The teacher population of 65 teachers has grown by 10% over five school years.
School Type
Grades Offered
Grades 9-12
Total Students
840 students
Total Classroom Teachers
65 teachers
Year Founded
1989
School Calendar
Average Class Size
15 students
School Rankings
South Texas Isd Science Academy ranks within the top 5% of all 8,096 schools in Texas (based off of combined math and reading proficiency testing data).
The diversity score of South Texas Isd Science Academy is 0.30, which is less than the diversity score at state average of 0.64. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#227 out of 8096 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
75-79%
44%
Reading/Language Arts Test Scores (% Proficient)
80-84%
51%
Science Test Scores (% Proficient)
75-79%
46%
Student-Teacher Ratio
13:1
14:1
American Indian
n/a
n/a
Asian
6%
6%
Hispanic
83%
54%
Black
2%
13%
White
8%
24%
Hawaiian
n/a
n/a
Two or more races
1%
3%
All Ethnic Groups
Graduation Rate
≥95%
90%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
54%
56%
Eligible for Reduced Lunch
13%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), TX Dept. of Education
School Notes
- School Mascot: Vitruvian Man
Frequently Asked Questions
What is South Texas Isd Science Academy's ranking?
South Texas Isd Science Academy is ranked #227 out of 8,096 schools, which ranks it among the top 5% of public schools in Texas.
What schools are South Texas Isd Science Academy often compared to?
South Texas Isd Science Academyis often viewed alongside schools like Mcallen High School, Lamar Academy by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
75-79% of students have achieved math proficiency (compared to the 44% TX state average), while 80-84% of students have achieved reading proficiency (compared to the 51% TX state average).
What is the graduation rate of South Texas Isd Science Academy?
The graduation rate of South Texas Isd Science Academy is 95%, which is higher than the Texas state average of 90%.
How many students attend South Texas Isd Science Academy?
840 students attend South Texas Isd Science Academy.
What is the racial composition of the student body?
83% of South Texas Isd Science Academy students are Hispanic, 8% of students are White, 6% of students are Asian, 2% of students are Black, and 1% of students are Two or more races.
What is the student-teacher ratio of South Texas Isd Science Academy?
South Texas Isd Science Academy has a student ration of 13:1, which is lower than the Texas state average of 14:1.
What grades does South Texas Isd Science Academy offer ?
South Texas Isd Science Academy offers enrollment in grades 9-12
What school district is South Texas Isd Science Academy part of?
South Texas Isd Science Academy is part of South Texas Independent School District.
School Reviews
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