Enrollment
848
Texas · 2024-25 NCES data
Other / mixed grade configuration · San Antonio, TX
Sst Alamo
Federal NCES profile for Sst Alamo, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
2024-25 NCES dataOther / mixed grade configurationNCES 480025812291Charter school
👥 S:T ratio 40
🌟 Gifted program 70
📋 Attendance 44
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sst Alamo earns 51/100 on the Resource Investment Index, with class sizes near the Texas median.
- #40 of 327
- schools in San Antonio · Resource Index
- 51
- Resource Index · Higher
- 14.9:1
- students per teacher
- 45.1%
- free-lunch eligible
Sst Alamo has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Sst Alamo ranks #40 of 327 schools in San Antonio, TX.
School address
District: School of Science and Technology · Texas
NCES ID 480025812291 Verify on NCES CCD record →
Teachers (FTE)
57.0
Federal CCD staff survey
Students per teacher
14.9:1
vs 14.7:1 Texas avg
+1% vs state
Free-lunch eligible
45.1%
vs 61.9% Texas avg
-27% vs state
Student-teacher ratio in context
How Sst Alamo compares with Texas and U.S. medians
What stands out at Sst Alamo
Sst Alamo is a mid-sized charter combined-grade school in San Antonio, Texas, enrolling 848 students.
At 14.9:1, its student-teacher ratio sits close to the Texas median, within a few percentage points of the 14.7:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat below the state's typical profile, with 45.1% of students eligible for free meals.
Enrollment of 848 puts it in the larger third of Texas schools by headcount.
Its Resource Investment Index lands in the upper third of 8,960 scored Texas schools.
Among 1,085 similarly sized, similarly resourced-need Texas schools statewide, it ranks #110, a top-tier result once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (65%) and White (20%) (diversity index 53/100).
Attendance runs somewhat below the norm, with 22.5% of students chronically absent per the 2021-22 civil-rights collection.
School of Science and Technology also operates Sst Champions (1,660 students) and Sst Schertz (895 students) alongside Sst Alamo.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Sst Alamo compares
Sst Alamo on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.9:1 | ▲ 1% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 45.1% | ▼ 27% | 61.9% | 51.7% |
| Enrollment | 848 | top 16% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.9:1
Leaner classes than 48% of US schools, a middle-of-the-pack class size.
848
Bigger than 87% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
45.1%
free-lunch eligible
- 27% below the Texas average of 61.9%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
14.9:1
students per teacher
- 1% above state mean
Top 58% in Texas - lower ratio than 42% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
22.5%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$11,072
per pupil, district-wide
- below Texas avg of $13,644
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
8
in-school suspensions + 20 out-of-school
Suspension rate: 0.9 per 100 students. Combined in-school and out-of-school rate: 3.3 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 65.0%
White 19.8%
African American 10.4%
Two or More 3.2%
Asian 1.7%
Largest group: Hispanic or Latino at 65.0% of enrollment.
Student-body diversity index 52.6/100
Simpson diversity index - at 52.6, Sst Alamo is more mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for School of Science and Technology, which includes Sst Alamo.
$11,072
Per student
-19%
vs Texas
Avg $13,644
-33%
vs U.S.
Avg $16,593
Revenue mix
Local 2.6%
State 82.6%
Federal 14.9%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Sst Alamo Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Sst Champions | Larger | Higher economic need | Higher S:T ratio |
| Sst Schertz | Similar size | Lower economic need | Higher S:T ratio |
| Sst Spring | Similar size | Higher economic need | Similar S:T ratio |
| Sst Sa College Prep H S | Smaller | Similar economic need | Lower S:T ratio |
| Sst the Woodlands | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Sst Alamo's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,660
- Students per teacher
- 18.7:1
- Resource Index
- 57/100
- Enrollment
- 895
- Students per teacher
- 37.3:1
- Resource Index
- 54/100
- Enrollment
- 839
- Students per teacher
- 16.1:1
- Resource Index
- 51/100
- Enrollment
- 615
- Students per teacher
- 12.6:1
- Resource Index
- 53/100
- Enrollment
- 559
- Students per teacher
- 18.6:1
- Resource Index
- 47/100
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Texas, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~848 students)
Similar student-teacher ratio (~14.9:1)
Next steps
Verify locally before acting on Sst Alamo's federal record.
- Compare Sst Alamo against another school. Compare schools
- School of Science and Technology's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Sst Alamo
How many students attend Sst Alamo?
Sst Alamo has 848 students enrolled. It is a public school in San Antonio, TX.
What is the student-teacher ratio at Sst Alamo?
The student-teacher ratio at Sst Alamo is 14.9:1, which is 1% higher than the Texas average of 14.7:1 and 5% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Sst Alamo?
45.1% of students at Sst Alamo are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Sst Alamo?
The largest demographic group at Sst Alamo is Hispanic or Latino at 65.0% of enrollment, in San Antonio, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 52.6/100.
What is the Resource Investment Index for Sst Alamo?
Sst Alamo has a Resource Investment Index of 51/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Sst Alamo rank among schools in San Antonio?
By Resource Investment Index, Sst Alamo ranks #40 of 327 schools in San Antonio, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in San Antonio on the city page.
Is Sst Alamo a good school?
Sst Alamo earns 51/100 on the Resource Investment Index, with class sizes near the Texas median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in School of Science and Technology?
Besides Sst Alamo, School of Science and Technology also operates Sst Champions (1,660 students), Sst Schertz (895 students), and Sst Spring (839 students). See the School of Science and Technology district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.