Enrollment
139
Texas · 2024-25 NCES data
Other / mixed grade configuration · San Antonio, TX
San Antonio Preparatory
Federal NCES profile for San Antonio Preparatory, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
2024-25 NCES dataOther / mixed grade configurationNCES 480147213875Charter school
👥 S:T ratio 30
🌟 Gifted program 30
🎓 Counselors 72
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
San Antonio Preparatory earns 33/100 on the Resource Investment Index, with class sizes larger than 83% of Texas schools.
- #228 of 327
- schools in San Antonio · Resource Index
- 33
- Resource Index · Typical
- 17.4:1
- large classes for Texas
- 44.9%
- free-lunch eligible
San Antonio Preparatory has class sizes larger than 83% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, San Antonio Preparatory ranks #228 of 327 schools in San Antonio, TX.
School address
District: San Antonio Preparatory Schools · Texas
NCES ID 480147213875 Verify on NCES CCD record →
Teachers (FTE)
8.0
Federal CCD staff survey
Students per teacher
17.4:1
vs 14.7:1 Texas avg
+18% vs state
Free-lunch eligible
44.9%
vs 61.9% Texas avg
-27% vs state
Student-teacher ratio in context
How San Antonio Preparatory compares with Texas and U.S. medians
What stands out at San Antonio Preparatory
San Antonio Preparatory is a small charter combined-grade school in San Antonio, Texas, enrolling 139 students.
Class loads run somewhat heavier than typical: 17.4:1 puts it in the larger third of Texas schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 44.9% of students eligible for free meals.
Enrollment of 139 puts it in the smaller third of Texas schools by headcount.
Its Resource Investment Index lands in the lower third of 8,960 scored Texas schools.
Among 262 similarly sized, similarly resourced-need Texas schools statewide, it ranks #250, in the lower tier once campus size and economic need are matched.
Its student body is led by African American (58%) and Hispanic or Latino (34%) (diversity index 55/100).
Counselor coverage is strong, about 139 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 85.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding San Antonio Preparatory Schools spends $16,995 per pupil, 25% above the Texas average, a better-resourced district than most.
Its district draws 23.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
San Antonio Preparatory Schools is a single-school charter district, so San Antonio Preparatory operates independently rather than alongside district-mates.
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 San Antonio Preparatory compares
San Antonio Preparatory on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.4:1 | ▲ 18% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 44.9% | ▼ 27% | 61.9% | 51.7% |
| Enrollment | 139 | top 89% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.4:1
Leaner classes than 28% of US schools, heavier class loads than most.
139
Bigger than 14% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
44.9%
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
17.4:1
students per teacher
- 18% above state mean
Top 83% in Texas - lower ratio than 17% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
85.6%
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
$16,995
per pupil, district-wide
- above Texas avg of $13,644
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.0 FTE
Per 139 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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
African American 57.6%
Hispanic or Latino 33.8%
Two or More 5.8%
White 2.9%
Largest group: African American at 57.6% of enrollment.
Student-body diversity index 55.0/100
Simpson diversity index - at 55.0, San Antonio Preparatory is more mixed than the Texas school average of 44.7.
Programs
Funding & spending
District-wide per-pupil expenditure for San Antonio Preparatory Schools, which includes San Antonio Preparatory.
$16,995
Per student
+25%
vs Texas
Avg $13,644
+2%
vs U.S.
Avg $16,593
Revenue mix
Local 16.1%
State 60.7%
Federal 23.2%
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.
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 (~139 students)
Next steps
Verify locally before acting on San Antonio Preparatory's federal record.
- Compare San Antonio Preparatory against another school. Compare schools
- San Antonio Preparatory Schools'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 San Antonio Preparatory
How many students attend San Antonio Preparatory?
San Antonio Preparatory has 139 students enrolled. It is a public school in San Antonio, TX.
What is the student-teacher ratio at San Antonio Preparatory?
The student-teacher ratio at San Antonio Preparatory is 17.4:1, which is 18% higher than the Texas average of 14.7:1 and 11% higher than the national average of 15.7:1.
What percentage of students receive free lunch at San Antonio Preparatory?
44.9% of students at San Antonio Preparatory are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of San Antonio Preparatory?
The largest demographic group at San Antonio Preparatory is African American at 57.6% of enrollment, in San Antonio, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.0/100.
What is the Resource Investment Index for San Antonio Preparatory?
San Antonio Preparatory has a Resource Investment Index of 33/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does San Antonio Preparatory rank among schools in San Antonio?
By Resource Investment Index, San Antonio Preparatory ranks #228 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 San Antonio Preparatory a good school?
San Antonio Preparatory earns 33/100 on the Resource Investment Index, with class sizes larger than 83% of Texas schools. 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 San Antonio Preparatory Schools?
None; San Antonio Preparatory Schools is a single-school charter district, and San Antonio Preparatory is its only campus.
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.