- Enrollment
- 820
- Students per teacher
- 14.1:1
- Resource Index
- 43/100
High school (grades 9-12) · Mercedes, TX
South Texas Isd Science Academy
Federal NCES profile for South Texas Isd Science Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 55/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 483715000429
👥 S:T ratio 43
🌟 Gifted program 70
🎓 Counselors 51
📋 Attendance 56
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
South Texas Isd Science Academy earns 55/100 on the Resource Investment Index, with class sizes near the Texas median.
- #1 of 6
- high schools in Mercedes · Resource Index
- 55
- Resource Index · Higher
- 14.2:1
- students per teacher
- 33.8%
- free-lunch eligible
South Texas Isd Science Academy has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, South Texas Isd Science Academy ranks #1 of 6 high schools in Mercedes, TX.
School address
District: South Texas Isd · Texas
NCES ID 483715000429 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+51 students YoY
South Texas Isd Science Academy grew from 795 students in 2022-23 to 846 in 2023-24 (+6.4%).
Teacher FTE lost 59.2 → 55.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+51 students YoY 483715000429 · Mercedes, TX High · MID · TRAD
840 enr · 14.2:1 · 33.8% lunch · RII 55
Nearest enrollment peer: South Texas Isd Medical Professions (820 students)
South Texas Isd Science Academy grew from 795 students in 2022-23 to 846 in 2023-24 (+6.4%). Teacher FTE lost 59.2 → 55.9 across the same CCD years. Read with this school → · District book → · Texas schools → · Find another →
South Texas Isd Science Academy in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
South Texas Isd Science Academy
840 students
- South Texas Is
South Texas Isd Medical Professions
820 students
- South Texas Is
South Texas Isd Preparatory Academy
802 students
- South Texas Is
South Texas Isd Health Professions
781 students
- South Texas Is
South Texas Isd Rising Scholars Academy
781 students
- South Texas Is
South Texas Isd World Scholars
403 students
What this shows South Texas Isd Science Academy reports 840 students on the CCD universe file.
How South Texas Isd Science Academy compares
South Texas Isd Science Academy is a growing campus on CCD: ratios and free-lunch share vs Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.2:1 | ▼ 3% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 33.8% | ▼ 45% | 61.9% | 51.7% |
| Enrollment | 840 | top 17% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.2:1
Leaner classes than 55% of US schools, a middle-of-the-pack class size.
840
Bigger than 87% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
33.8%
free-lunch eligible
- 45% below the Texas average of 61.9%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
14.2:1
students per teacher
- 3% below state mean
Top 50% in Texas - lower ratio than 50% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
17.6%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$17,956
per pupil, district-wide
- above Texas avg of $14,348
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors3.4 FTE
Per 246 students, the combined health-and-guidance staffing load for this school.
Discipline context
11
in-school suspensions + 8 out-of-school
Suspension rate: 1.3 per 100 students. Combined in-school and out-of-school rate: 2.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 82.9%
White 8.2%
Asian 6.4%
African American 1.7%
Two or More 0.8%
Largest group: Hispanic or Latino at 82.9% of enrollment.
Student-body diversity index 30.2/100
Simpson diversity index - at 30.2, South Texas Isd Science Academy is less mixed than the Texas school average of 44.7.
Programs
AP courses offered 22
Gifted & talented Yes
District finance for South Texas Isd reports $17,956 per pupil (NCES F-33) - open the district page for the full revenue mix.
How South Texas Isd Science Academy Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| South Texas Isd Medical Professions | Similar size | Higher economic need | Similar S:T ratio |
| South Texas Isd Preparatory Academy | Similar size | Similar economic need | Higher S:T ratio |
| South Texas Isd Health Professions | Similar size | Higher economic need | Similar S:T ratio |
| South Texas Isd Rising Scholars Academy | Similar size | Higher economic need | Higher S:T ratio |
| South Texas Isd World Scholars | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to South Texas Isd Science Academy's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 802
- Students per teacher
- 19.1:1
- Resource Index
- 51/100
- Enrollment
- 781
- Students per teacher
- 14.5:1
- Resource Index
- 45/100
- Enrollment
- 781
- Students per teacher
- 19.5:1
- Resource Index
- 47/100
- Enrollment
- 403
- Students per teacher
- 10.1:1
- Resource Index
- 52/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~840 students)
Frequently asked questions about South Texas Isd Science Academy
How many students attend South Texas Isd Science Academy?
South Texas Isd Science Academy has 840 students enrolled. It is a high school in Mercedes, TX. CCD year-over-year: 795 (2022-23) → 846 (2023-24), up 51.
What is the student-teacher ratio at South Texas Isd Science Academy?
The student-teacher ratio at South Texas Isd Science Academy is 14.2:1, which is 3% lower than the Texas average of 14.7:1 and 10% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at South Texas Isd Science Academy?
33.8% of students at South Texas Isd Science Academy are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of South Texas Isd Science Academy?
The largest demographic group at South Texas Isd Science Academy is Hispanic or Latino at 82.9% of enrollment, in Mercedes, TX.
What is the Resource Investment Index for South Texas Isd Science Academy?
South Texas Isd Science Academy has a Resource Investment Index of 55/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does South Texas Isd Science Academy rank among high schools in Mercedes?
By Resource Investment Index, South Texas Isd Science Academy ranks #1 of 6 high schools in Mercedes, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Mercedes on the city page.
What other schools are in South Texas Isd?
Besides South Texas Isd Science Academy, South Texas Isd also operates South Texas Isd Medical Professions (820 students), South Texas Isd Preparatory Academy (802 students), and South Texas Isd Health Professions (781 students). See the South Texas Isd district page for the complete list.