Enrollment
595
Texas · 2024-25 NCES data
Other / mixed grade configuration · San Antonio, TX
Sky Harbour El
Federal NCES profile for Sky Harbour El, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataOther / mixed grade configurationNCES 484095005598
👥 S:T ratio 34
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 40
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sky Harbour El earns 36/100 on the Resource Investment Index, with class sizes larger than 76% of Texas schools. It is also less racially and ethnically mixed than most Texas schools.
- #199 of 327
- schools in San Antonio · Resource Index
- 36
- Resource Index · Typical
- 16.5:1
- large classes for Texas
- 85.5%
- free-lunch eligible
Sky Harbour El has class sizes larger than 76% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Sky Harbour El ranks #199 of 327 schools in San Antonio, TX.
School address
District: Southwest Isd · Texas
NCES ID 484095005598 Verify on NCES CCD record →
Teachers (FTE)
36.0
Federal CCD staff survey
Students per teacher
16.5:1
vs 14.7:1 Texas avg
+12% vs state
Free-lunch eligible
85.5%
vs 61.9% Texas avg
+38% vs state
Student-teacher ratio in context
How Sky Harbour El compares with Texas and U.S. medians
What stands out at Sky Harbour El
Sky Harbour El is a high-poverty, mid-sized combined-grade school in San Antonio, Texas, enrolling 595 students.
Class loads run somewhat heavier than typical: 16.5:1 puts it in the larger third of Texas schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 85.5% of students eligible for free meals.
With 595 students, its enrollment sits close to the Texas median campus size.
Its Resource Investment Index lands in the lower third of 8,960 scored Texas schools.
Against 2,202 statewide peers matched on enrollment and economic need, it ranks mid-pack at #1,278.
Its student body is predominantly Hispanic or Latino (96% of enrollment), among the less diverse in the state (diversity index 9/100).
Counselor access is stretched at roughly 595 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance runs somewhat below the norm, with 24.2% of students chronically absent per the 2021-22 civil-rights collection.
Its district draws 19.9% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Southwest Isd also operates Southwest H S (2,363 students) and Southwest Legacy H S (2,250 students) alongside Sky Harbour El.
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 Sky Harbour El compares
Sky Harbour El on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.5:1 | ▲ 12% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 85.5% | ▲ 38% | 61.9% | 51.7% |
| Enrollment | 595 | top 38% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.5:1
Leaner classes than 34% of US schools, a middle-of-the-pack class size.
595
Bigger than 72% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
85.5%
free-lunch eligible
- 38% above the Texas average of 61.9%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
16.5:1
students per teacher
- 12% above state mean
Top 76% in Texas - lower ratio than 24% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
24.2%
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
$12,627
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
Counselors1.0 FTE
Per 595 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 2 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 0.5 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 95.6%
White 2.4%
African American 1.0%
Asian 0.5%
Two or More 0.5%
Largest group: Hispanic or Latino at 95.6% of enrollment.
Student-body diversity index 8.5/100
Simpson diversity index - at 8.5, Sky Harbour El is less mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Southwest Isd, which includes Sky Harbour El.
$12,627
Per student
-7%
vs Texas
Avg $13,644
-24%
vs U.S.
Avg $16,593
Revenue mix
Local 35.4%
State 44.7%
Federal 19.9%
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 Sky Harbour El Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Southwest H S | Larger | Lower economic need | Similar S:T ratio |
| Southwest Legacy H S | Larger | Similar economic need | Higher S:T ratio |
| Elm Creek El | Larger | Lower economic need | Similar S:T ratio |
| Francis R Scobee Middle | Larger | Lower economic need | Similar S:T ratio |
| Ronald E Mcnair Middle | Larger | Lower economic need | Similar S:T ratio |
Comparisons are relative to Sky Harbour El's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,363
- Students per teacher
- 17.6:1
- Resource Index
- 40/100
- Enrollment
- 2,250
- Students per teacher
- 18.8:1
- Resource Index
- 35/100
- Enrollment
- 805
- Students per teacher
- 17.1:1
- Resource Index
- 36/100
- Enrollment
- 797
- Students per teacher
- 15.3:1
- Resource Index
- 34/100
- Enrollment
- 784
- Students per teacher
- 15.7:1
- Resource Index
- 35/100
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 (~595 students)
Next steps
Verify locally before acting on Sky Harbour El's federal record.
- Compare Sky Harbour El against another school. Compare schools
- Southwest Isd'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 Sky Harbour El
How many students attend Sky Harbour El?
Sky Harbour El has 595 students enrolled. It is a public school in San Antonio, TX.
What is the student-teacher ratio at Sky Harbour El?
The student-teacher ratio at Sky Harbour El is 16.5:1, which is 12% higher than the Texas average of 14.7:1 and 5% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Sky Harbour El?
85.5% of students at Sky Harbour El are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Sky Harbour El?
The largest demographic group at Sky Harbour El is Hispanic or Latino at 95.6% of enrollment, in San Antonio, TX.
What is the Resource Investment Index for Sky Harbour El?
Sky Harbour El has a Resource Investment Index of 36/100 (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 Sky Harbour El rank among schools in San Antonio?
By Resource Investment Index, Sky Harbour El ranks #199 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 Sky Harbour El a good school?
Sky Harbour El earns 36/100 on the Resource Investment Index, with class sizes larger than 76% of Texas schools. It is also less racially and ethnically mixed than most 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 Southwest Isd?
Besides Sky Harbour El, Southwest Isd also operates Southwest H S (2,363 students), Southwest Legacy H S (2,250 students), and Elm Creek El (805 students). See the Southwest Isd 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.