South Texas Isd Science Academy (Ranked Top 5% for 2025-26)

900 Med High Dr
Mercedes, TX 78570

10/

Top 5%

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 846 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 is 75-79% (which is higher than the Texas state average of 44%). The percentage of students achieving is 80-84% (which is higher than the Texas state average of 51%).

The student-teacher ratio of 15:1 is higher than the Texas state level of 14:1.

Minority enrollment is 91% of the student body (majority Hispanic), which is higher than the Texas state average of 75% (majority Hispanic).

Quick Facts (2025-26)

School Type: Magnet School
Grades: 9-12
Enrollment: 846 students
Student-Teacher Ratio: 15:1
Minority Enrollment: 91%
: ≥95% (Top 20% in TX)
: Top 5%
: 75-79% (Top 5%)
: 80-84% (Top 5%)
: 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:

School Overview

South Texas Isd Science Academy's student population of 846 students has grown by 9% over five school years.

The teacher population of 56 teachers has stayed relatively flat over five school years.

School Type

Magnet School

Awards

Blue Ribbon School - Selected in 2005

Grades Offered

Grades 9-12

View Data

Distribution of Students By Grade Trends
Grade	South Texas Isd Science Academy
9	225
10	250
11	190
12	181

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Total Students

846 students

View Data

Total Students Trends Over Years (2003-2023)
Year	South Texas Isd Science Academy
2023	795
2022	764
2021	794
2020	774
2019	774
2018	735
2017	735
2016	731
2015	785
2014	781
2013	747
2012	708
2011	675
2010	728
2009	694
2008	702
2007	692
2006	500
2005	596
2004	587
2003	590

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Gender %

Total Classroom Teachers

56 teachers

View Data

Total Classroom Teachers Trends Over Years (2003-2023)
Year	South Texas Isd Science Academy
2023	59
2022	59
2021	59
2020	57
2019	57
2018	56
2017	56
2016	55
2015	55
2014	54
2013	54
2012	54
2011	54
2010	54
2009	53
2008	52
2007	44
2006	44
2005	43
2004	43
2003	43

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Year Founded

1989

School Calendar

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 of South Texas Isd Science Academy is 0.32, 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.

This School

State Level (TX)

#227 out of 8096 schools
(Top 5%)

View Data

Overall School Rank Trends Over Years (2012-2023)
Year	South Texas Isd Science Academy
2023	#227
2022	#380
2021	#185
2019	#1362
2018	#632
2017	#1363
2016	#1254
2015	#905
2014	#337
2013	#124
2012	#1018

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75-79%

44%

View Data

Math Proficiency Comparison Over Years (2012-2023)
Year	South Texas Isd Science Academy	Texas	South Texas Independent School District
2023	77%	44%	69%
2022	67%	41%	60%
2021	67%	37%	54%
2019	54%	51%	84%
2018	64%	49%	78%
2017	84%	78%	96%
2016	84%	75%	94%
2015	84%	73%	89%
2014	95%	76%	91%
2013	97%	78%	93%
2012	92%	83%	91%

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80-84%

51%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	South Texas Isd Science Academy	Texas	South Texas Independent School District
2022	82%	51%	79%
2021	87%	42%	74%
2019	82%	47%	80%
2018	82%	45%	78%
2017	92%	72%	91%
2016	91%	71%	89%
2015	93%	73%	88%
2014	93%	75%	88%
2013	96%	78%	93%
2012	95%	88%	97%
2011	95%	88%	97%

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75-79%

46%

View Data

Science Proficiency Comparison Over Years (2021-2022)
Year	South Texas Isd Science Academy	Texas	South Texas Independent School District
2022	77%	46%	71%
2021	64%	43%	70%

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Student-Teacher Ratio

15:1

14:1

View Data

Student-Teacher Ratio Comparison Over Years (2003-2023)
Year	South Texas Isd Science Academy	Texas	South Texas Independent School District
2023	13:1	14:1	14:1
2022	13:1	14:1	14:1
2021	13:1	14:1	14:1
2020	14:1	15:1	14:1
2019	14:1	15:1	14:1
2018	13:1	15:1	13:1
2017	13:1	15:1	13:1
2016	13:1	15:1	13:1
2015	14:1	15:1	14:1
2014	14:1	15:1	14:1
2013	14:1	15:1	15:1
2012	13:1	15:1	14:1
2011	12:1	15:1	14:1
2010	14:1	15:1	14:1
2009	13:1	14:1	13:1
2008	13:1	14:1	14:1
2007	16:1	15:1	14:1
2006	11:1	15:1	12:1
2005	14:1	15:1	13:1
2004	14:1	15:1	13:1
2003	14:1	15:1	13:1

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American Indian

n/a

Asian

View Data

Asian Student Percentage Comparison Over Years (2003-2023)
Year	South Texas Isd Science Academy	Texas	South Texas Independent School District
2023	9%	5%	7%
2022	13%	5%	8%
2021	13%	5%	8%
2020	13%	5%	8%
2019	13%	5%	8%
2018	15%	5%	10%
2017	15%	5%	10%
2016	15%	4%	11%
2015	15%	4%	11%
2014	13%	4%	11%
2013	14%	4%	12%
2012	15%	4%	11%
2011	13%	4%	10%
2010	11%	4%	9%
2009	11%	4%	8%
2008	11%	4%	8%
2007	11%	4%	8%
2006	12%	3%	6%
2005	11%	3%	7%
2004	8%	3%	7%
2003	8%	3%	7%

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Hispanic

82%

53%

View Data

Hispanic Student Percentage Comparison Over Years (2003-2023)
Year	South Texas Isd Science Academy	Texas	South Texas Independent School District
2023	80%	53%	84%
2022	77%	53%	81%
2021	78%	53%	85%
2020	76%	53%	84%
2019	76%	53%	84%
2018	77%	52%	84%
2017	77%	52%	84%
2016	77%	52%	83%
2015	77%	52%	83%
2014	77%	52%	82%
2013	74%	51%	81%
2012	74%	51%	82%
2011	73%	50%	81%
2010	68%	49%	80%
2009	68%	48%	81%
2008	64%	47%	79%
2007	64%	46%	78%
2006	82%	46%	84%
2005	64%	45%	77%
2004	66%	44%	76%
2003	64%	43%	75%

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Black

13%

View Data

Black Student Percentage Comparison Over Years (2005-2023)
Year	South Texas Isd Science Academy	Texas	South Texas Independent School District
2023	2%	13%	1%
2022	1%	13%	1%
2021	1%	13%	1%
2020	1%	13%	1%
2019	1%	13%	1%
2013	1%	13%	1%
2012	1%	13%	1%
2011	1%	13%	1%
2010	1%	14%	1%
2009	1%	14%	1%
2008	1%	14%	2%
2007	1%	14%	1%
2005	1%	14%	1%

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White

25%

View Data

White Student Percentage Comparison Over Years (2003-2023)
Year	South Texas Isd Science Academy	Texas	South Texas Independent School District
2023	8%	26%	7%
2022	7%	26%	10%
2021	7%	26%	6%
2020	9%	27%	6%
2019	9%	27%	6%
2018	8%	28%	6%
2017	8%	28%	6%
2016	7%	29%	5%
2015	7%	29%	6%
2014	8%	29%	6%
2013	10%	30%	6%
2012	9%	31%	6%
2011	12%	31%	8%
2010	20%	33%	10%
2009	20%	34%	10%
2008	24%	35%	11%
2007	24%	36%	13%
2006	26%	36%	12%
2005	23%	38%	15%
2004	25%	39%	16%
2003	28%	40%	18%

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Hawaiian

n/a

Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2011-2023)
Year	South Texas Isd Science Academy	Texas	South Texas Independent School District
2023	1%	3%	1%
2022	2%	3%
2021	1%	3%
2020	1%	2%	1%
2019	1%	2%	1%
2016	1%	2%	1%
2015	1%	2%
2014	2%	2%
2013	1%	2%
2012	1%	1%
2011	1%	2%

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All Ethnic Groups

0.32

0.64

View Data

Diversity Score Comparison Over Years (2003-2023)
Year	South Texas Isd Science Academy	Texas	South Texas Independent School District
2023	0.35	0.64	0.29
2022	0.39	0.64	0.33
2021	0.37	0.64	0.27
2020	0.40	0.63	0.28
2019	0.40	0.63	0.28
2018	0.38	0.64	0.29
2017	0.38	0.64	0.29
2016	0.38	0.63	0.30
2015	0.38	0.63	0.31
2014	0.39	0.63	0.32
2013	0.43	0.64	0.33
2012	0.43	0.64	0.31
2011	0.44	0.64	0.33
2010	0.49	0.64	0.35
2009	0.49	0.64	0.33
2008	0.53	0.64	0.36
2007	0.53	0.64	0.37
2006	0.47	0.64	0.32
2005	0.54	0.64	0.39
2004	0.50	0.64	0.39
2003	0.51	0.64	0.41

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≥95%

90%

View Data

Graduation Rate Comparison Over Years (2012-2023)
Year	South Texas Isd Science Academy	Texas	South Texas Independent School District
2023	95%	90%
2022	95%	90%	99%
2021	95%	89%	98%
2019	95%	89%	99%
2018	95%	89%	99%
2017	95%	89%	99%
2016	95%	89%	99%
2015	95%	89%	98%
2014	95%	88%	98%
2013	95%	88%	97%
2012	95%	88%	97%

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Participates in the

Yes

Eligible for

38%

57%

View Data

Free Lunch Eligibility Comparison Over Years (2003-2023)
Year	South Texas Isd Science Academy	Texas	South Texas Independent School District
2023	34%	57%	45%
2022	32%	57%	43%
2021	32%	56%	40%
2020	32%	56%	45%
2019	32%	56%	45%
2018	28%	53%	43%
2017	28%	53%	43%
2016	31%	53%	43%
2015	32%	52%	47%
2014	37%	53%	49%
2013	34%	53%	48%
2012	32%	44%	46%
2011	36%	44%	50%
2010	32%	43%	47%
2009	29%	40%	49%
2008	25%	39%	42%
2007	31%	39%	45%
2006	35%	40%	49%
2005	32%	39%	43%
2004	31%	39%	43%
2003	28%	39%	38%

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Eligible for

13%

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2003-2023)
Year	South Texas Isd Science Academy	Texas	South Texas Independent School District
2023	10%	5%	11%
2022	8%	4%	9%
2021	10%	4%	8%
2020	9%	4%	9%
2019	9%	4%	9%
2018	8%	6%	9%
2017	8%	6%	9%
2016	8%	6%	10%
2015	11%	6%	10%
2014	11%	7%	11%
2013	10%	7%	10%
2012	10%	7%	9%
2011	11%	7%	9%
2010	12%	8%	10%
2009	12%	8%	10%
2008	10%	8%	8%
2007	11%	8%	11%
2006	11%	8%	12%
2005	11%	8%	11%
2004	10%	7%	10%
2003	12%	7%	10%

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School Statewide Testing

School District Name

South Texas Independent School District

Source: National Center for Education Statistics (NCES), TX Dept. of Education

School Notes

School Mascot: Vitruvian Man

Profile last updated: 02/09/2025

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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?

846 students attend South Texas Isd Science Academy.

What is the racial composition of the student body?

82% of South Texas Isd Science Academy students are Hispanic, 9% of students are White, 7% of students are Asian, 1% 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 15:1, which is higher 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.