Enrollment
806
Texas · 2024-25 NCES data
Elementary school (grades K-5) · San Antonio, TX
Cambridge El
Federal NCES profile for Cambridge El, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
2024-25 NCES dataElementary school (grades K-5)NCES 480759000047
👥 S:T ratio 49
🌟 Gifted program 70
🎓 Counselors 19
📋 Attendance 50
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Cambridge El earns 47/100 on the Resource Investment Index, with class sizes near the Texas median.
- #11 of 58
- elementary schools in San Antonio · Resource Index
- 47
- Resource Index · Typical
- 12.8:1
- students per teacher
- 21.9%
- free-lunch eligible
Cambridge El has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Cambridge El ranks #11 of 58 elementary schools in San Antonio, TX.
School address
District: Alamo Heights Isd · Texas
NCES ID 480759000047 Verify on NCES CCD record →
Teachers (FTE)
63.0
Federal CCD staff survey
Students per teacher
12.8:1
vs 14.7:1 Texas avg
-13% vs state
Free-lunch eligible
21.9%
vs 61.9% Texas avg
-65% vs state
Student-teacher ratio in context
How Cambridge El compares with Texas and U.S. medians
What stands out at Cambridge El
Cambridge El is a mid-sized elementary school in San Antonio, Texas, enrolling 806 students.
Class sizes run a bit leaner than typical: 12.8:1 puts it in the smaller third of Texas schools by student-teacher ratio.
Comparatively few students face economic hardship here, 21.9% free-meal eligibility runs 65% below the Texas average.
Enrollment of 806 puts it in the larger third of Texas schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 8,960 scored Texas schools.
Against 800 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #253.
Its student body is led by Hispanic or Latino (47%) and White (44%) (diversity index 58/100).
Counselor access is stretched at roughly 403 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance runs somewhat below the norm, with 20.2% of students chronically absent per the 2021-22 civil-rights collection.
Alamo Heights Isd also operates Alamo Heights H S (1,569 students) and Alamo Heights J H (1,123 students) alongside Cambridge 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 Cambridge El compares
Cambridge 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 | 12.8:1 | ▼ 13% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 21.9% | ▼ 65% | 61.9% | 51.7% |
| Enrollment | 806 | top 19% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.8:1
Leaner classes than 68% of US schools, among the more generously staffed nationally.
806
Bigger than 86% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
21.9%
free-lunch eligible
- 65% below the Texas average of 61.9%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
12.8:1
students per teacher
- 13% below state mean
Top 32% in Texas - lower ratio than 68% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
20.2%
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
$11,392
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
Counselors2.0 FTE
Per 403 students, the combined health-and-guidance staffing load for this school.
Discipline context
7
in-school suspensions + 1 out-of-school
Suspension rate: 0.9 per 100 students. Combined in-school and out-of-school rate: 1.0 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
Hispanic or Latino 47.3%
White 43.9%
Two or More 4.6%
Asian 2.2%
African American 1.9%
American Indian / Alaska Native 0.1%
Largest group: Hispanic or Latino at 47.3% of enrollment.
Student-body diversity index 58.1/100
Simpson diversity index - at 58.1, Cambridge El is more mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Alamo Heights Isd, which includes Cambridge El.
$11,392
Per student
-17%
vs Texas
Avg $13,644
-31%
vs U.S.
Avg $16,593
Revenue mix
Local 85.2%
State 7.1%
Federal 7.8%
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 Cambridge El Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Alamo Heights H S | Larger | Similar economic need | Similar S:T ratio |
| Alamo Heights J H | Larger | Similar economic need | Higher S:T ratio |
| Woodridge El | Similar size | Similar economic need | Similar S:T ratio |
| Howard El | Smaller | Similar economic need | Similar S:T ratio |
| Bexar Co J J a E P | Smaller | No free-lunch data | No ratio data |
Comparisons are relative to Cambridge El's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,569
- Students per teacher
- 13.1:1
- Resource Index
- 49/100
- Enrollment
- 1,123
- Students per teacher
- 15.2:1
- Resource Index
- 45/100
- Enrollment
- 833
- Students per teacher
- 12.6:1
- Resource Index
- 52/100
- Enrollment
- 418
- Students per teacher
- 12.7:1
- Resource Index
- 51/100
- Enrollment
- 2
- Students per teacher
- -
Similar elementary 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 (~806 students)
Similar student-teacher ratio (~12.8:1)
Next steps
Verify locally before acting on Cambridge El's federal record.
- Compare Cambridge El against another school. Compare schools
- Alamo Heights 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 Cambridge El
How many students attend Cambridge El?
Cambridge El has 806 students enrolled. It is an elementary school in San Antonio, TX.
What is the student-teacher ratio at Cambridge El?
The student-teacher ratio at Cambridge El is 12.8:1, which is 13% lower than the Texas average of 14.7:1 and 18% 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 Cambridge El?
21.9% of students at Cambridge El are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Cambridge El?
The largest demographic group at Cambridge El is Hispanic or Latino at 47.3% of enrollment, in San Antonio, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 58.1/100.
What is the Resource Investment Index for Cambridge El?
Cambridge El has a Resource Investment Index of 47/100 (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 Cambridge El rank among elementary schools in San Antonio?
By Resource Investment Index, Cambridge El ranks #11 of 58 elementary 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 elementary schools in San Antonio on the city page.
Is Cambridge El a good school?
Cambridge El earns 47/100 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 Alamo Heights Isd?
Besides Cambridge El, Alamo Heights Isd also operates Alamo Heights H S (1,569 students), Alamo Heights J H (1,123 students), and Woodridge El (833 students). See the Alamo Heights 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.