- Enrollment
- 1,706
- Students per teacher
- 14.6:1
- Resource Index
- 48/100
High school (grades 9-12) · San Antonio, TX
Cast Tech H S
Federal NCES profile for Cast Tech H S, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 483873013665Charter school
👥 S:T ratio 40
🌟 Gifted program 70
🎓 Counselors 55
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Cast Tech H S earns 41/100 on the Resource Investment Index, with class sizes near the Texas median.
- #44 of 79
- high schools in San Antonio · Resource Index
- 41
- Resource Index · Typical
- 15:1
- students per teacher
- 59.3%
- free-lunch eligible
Cast Tech H S has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Cast Tech H S ranks #44 of 79 high schools in San Antonio, TX.
School address
District: San Antonio Isd · Texas
NCES ID 483873013665 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+49 students YoY
Cast Tech H S grew from 457 students in 2022-23 to 506 in 2023-24 (+10.7%).
Teacher FTE added 30.3 → 31.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+49 students YoY 483873013665 · San Antonio, TX High · SMALL · CHARTER
451 enr · 15:1 · 59.3% lunch · RII 41
Nearest enrollment peer: Jefferson H S (1,706 students)
Cast Tech H S grew from 457 students in 2022-23 to 506 in 2023-24 (+10.7%). Teacher FTE added 30.3 → 31.0 across the same CCD years. Read with this school → · District book → · Texas schools → · Find another →
Cast Tech H S 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 451
Cast Tech H S
451 students
What this shows Cast Tech H S reports 451 students on the CCD universe file.
How Cast Tech H S compares
Cast Tech H S is a growing 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 | 15:1 | ▲ 2% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 59.3% | ▼ 4% | 61.9% | 51.7% |
| Enrollment | 451 | top 57% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15:1
Leaner classes than 47% of US schools, a middle-of-the-pack class size.
451
Bigger than 55% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
59.3%
free-lunch eligible
- 4% 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
15:1
students per teacher
- 2% above state mean
Top 59% in Texas - lower ratio than 41% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
45.5%
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
$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 226 students, the combined health-and-guidance staffing load for this school.
Discipline context
5
in-school suspensions + 7 out-of-school
Suspension rate: 1.1 per 100 students. Combined in-school and out-of-school rate: 2.7 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 88.9%
White 6.4%
African American 2.7%
Asian 1.3%
Two or More 0.4%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Hispanic or Latino at 88.9% of enrollment.
Student-body diversity index 20.5/100
Simpson diversity index - at 20.5, Cast Tech H S is less mixed than the Texas school average of 44.7.
Programs
AP courses offered 12
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 Cast Tech H S Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Jefferson H S | Larger | Higher economic need | Similar S:T ratio |
| Lanier H S | Larger | Higher economic need | Higher S:T ratio |
| Brackenridge H S | Larger | Higher economic need | Similar S:T ratio |
| Highlands H S | Larger | Higher economic need | Similar S:T ratio |
| Burbank H S | Larger | Higher economic need | Similar S:T ratio |
Comparisons are relative to Cast Tech H S'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 high 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 (~451 students)
Similar student-teacher ratio (~15:1)
Frequently asked questions about Cast Tech H S
How many students attend Cast Tech H S?
Cast Tech H S has 451 students enrolled. It is a high school in San Antonio, TX. CCD year-over-year: 457 (2022-23) → 506 (2023-24), up 49.
What is the student-teacher ratio at Cast Tech H S?
The student-teacher ratio at Cast Tech H S is 15:1, which is 2% higher than the Texas average of 14.7:1 and 4% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Cast Tech H S?
59.3% of students at Cast Tech H S are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Cast Tech H S?
The largest demographic group at Cast Tech H S is Hispanic or Latino at 88.9% of enrollment, in San Antonio, TX.
What is the Resource Investment Index for Cast Tech H S?
Cast Tech H S has a Resource Investment Index of 41/100 (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 Cast Tech H S rank among high schools in San Antonio?
By Resource Investment Index, Cast Tech H S ranks #44 of 79 high 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 high schools in San Antonio on the city page.
What other schools are in San Antonio Isd?
Besides Cast Tech H S, 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.