- Enrollment
- 1,706
- Students per teacher
- 14.6:1
- Resource Index
- 48/100
Other / mixed grade configuration · San Antonio, TX
Charles Graebner El
Federal NCES profile for Charles Graebner El, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
2024-25 NCES dataOther / mixed grade configurationNCES 483873004334Charter school
👥 S:T ratio 33
🌟 Gifted program 70
🎓 Counselors 35
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Charles Graebner El earns 35/100 on the Resource Investment Index, with class sizes larger than 77% of Texas schools. It is also less racially and ethnically mixed than most Texas schools.
- #207 of 327
- schools in San Antonio · Resource Index
- 35
- Resource Index · Typical
- 16.7:1
- large classes for Texas
- 91.8%
- free-lunch eligible
Charles Graebner El has class sizes larger than 77% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Charles Graebner El ranks #207 of 327 schools in San Antonio, TX.
School address
District: San Antonio Isd · Texas
NCES ID 483873004334 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-37 students YoY
Charles Graebner El shrank from 670 students in 2022-23 to 633 in 2023-24 (-5.5%).
Teacher FTE added 39.1 → 39.6 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-37 students YoY 483873004334 · San Antonio, TX Other · MID · CHARTER
651 enr · 16.7:1 · 91.8% lunch · RII 35
Nearest enrollment peer: Jefferson H S (1,706 students)
Charles Graebner El shrank from 670 students in 2022-23 to 633 in 2023-24 (-5.5%). Teacher FTE added 39.1 → 39.6 across the same CCD years. Read with this school → · District book → · Texas schools → · Find another →
Charles Graebner El in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Jefferson H S
Jefferson H S
1,706 students
- Lanier H S
Lanier H S
1,620 students
- Brackenridge H
Brackenridge H S
1,593 students
- Highlands H S
Highlands H S
1,478 students
- Burbank H S
Burbank H S
1,405 students
- This school 651
Charles Graebner El
651 students
What this shows Charles Graebner El reports 651 students on the CCD universe file.
How Charles Graebner El compares
Charles Graebner El is a shrinking 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 | 16.7:1 | ▲ 14% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 91.8% | ▲ 48% | 61.9% | 51.7% |
| Enrollment | 651 | top 32% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.7:1
Leaner classes than 33% of US schools, heavier class loads than most.
651
Bigger than 77% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
91.8%
free-lunch eligible
- 48% above the Texas average of 61.9%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
16.7:1
students per teacher
- 14% above state mean
Top 77% in Texas - lower ratio than 23% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
45.6%
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
$13,971
per pupil, district-wide
- below Texas avg of $14,348
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 326 students, the combined health-and-guidance staffing load for this school.
Discipline context
6
in-school suspensions + 21 out-of-school
Suspension rate: 0.9 per 100 students. Combined in-school and out-of-school rate: 4.1 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 96.0%
White 2.6%
African American 0.8%
Asian 0.3%
American Indian / Alaska Native 0.3%
Largest group: Hispanic or Latino at 96.0% of enrollment.
Student-body diversity index 7.8/100
Simpson diversity index - at 7.8, Charles Graebner El is less mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
District finance for San Antonio Isd reports $13,971 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Charles Graebner El Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Jefferson H S | Larger | Similar economic need | Lower S:T ratio |
| Lanier H S | Larger | Similar economic need | Similar S:T ratio |
| Brackenridge H S | Larger | Similar economic need | Similar S:T ratio |
| Highlands H S | Larger | Similar economic need | Lower S:T ratio |
| Burbank H S | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Charles Graebner El's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,620
- Students per teacher
- 16.9:1
- Resource Index
- 46/100
- Enrollment
- 1,593
- Students per teacher
- 15.6:1
- Resource Index
- 36/100
- Enrollment
- 1,478
- Students per teacher
- 13.6:1
- Resource Index
- 52/100
- Enrollment
- 1,405
- Students per teacher
- 15.4:1
- Resource Index
- 35/100
Nationwide other 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 (~651 students)
Frequently asked questions about Charles Graebner El
How many students attend Charles Graebner El?
Charles Graebner El has 651 students enrolled. It is a public school in San Antonio, TX. CCD year-over-year: 670 (2022-23) → 633 (2023-24), down 37.
What is the student-teacher ratio at Charles Graebner El?
The student-teacher ratio at Charles Graebner El is 16.7:1, which is 14% higher than the Texas average of 14.7:1 and 6% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Charles Graebner El?
91.8% of students at Charles Graebner El are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Charles Graebner El?
The largest demographic group at Charles Graebner El is Hispanic or Latino at 96.0% of enrollment, in San Antonio, TX.
What is the Resource Investment Index for Charles Graebner El?
Charles Graebner El has a Resource Investment Index of 35/100 (typical 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 Charles Graebner El rank among schools in San Antonio?
By Resource Investment Index, Charles Graebner El ranks #207 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.
What other schools are in San Antonio Isd?
Besides Charles Graebner El, San Antonio Isd also operates Jefferson H S (1,706 students), Lanier H S (1,620 students), and Brackenridge H S (1,593 students). See the San Antonio Isd district page for the complete list.