- Enrollment
- 2,363
- Students per teacher
- 17.6:1
- Resource Index
- 40/100
High school (grades 9-12) · San Antonio, TX
Cast Stem H S
Federal NCES profile for Cast Stem H S, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 54/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 484095013671
👥 S:T ratio 64
🌟 Gifted program 70
🎓 Counselors 83
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Cast Stem H S earns 54/100 on the Resource Investment Index, with class sizes smaller than 93% of Texas schools.
- #17 of 79
- high schools in San Antonio · Resource Index
- 54
- Resource Index · Higher
- 9.1:1
- small classes for Texas
- 65.2%
- free-lunch eligible
Cast Stem H S has class sizes smaller than 93% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Cast Stem H S ranks #17 of 79 high schools in San Antonio, TX.
School address
District: Southwest Isd · Texas
NCES ID 484095013671 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-13 students YoY
Cast Stem H S shrank from 210 students in 2022-23 to 197 in 2023-24 (-6.2%).
Teacher FTE lost 19.9 → 16.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-13 students YoY 484095013671 · San Antonio, TX High · SMALL · TRAD
173 enr · 9.1:1 · 65.2% lunch · RII 54
Nearest enrollment peer: Southwest H S (2,363 students)
Cast Stem H S shrank from 210 students in 2022-23 to 197 in 2023-24 (-6.2%). Teacher FTE lost 19.9 → 16.0 across the same CCD years. Read with this school → · District book → · Texas schools → · Find another →
Cast Stem H S in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Southwest H S
Southwest H S
2,363 students
- Southwest Lega
Southwest Legacy H S
2,250 students
- Elm Creek El 805
Elm Creek El
805 students
- Francis R Scob 797
Francis R Scobee Middle
797 students
- Ronald E Mcnai 784
Ronald E Mcnair Middle
784 students
- This school 173
Cast Stem H S
173 students
What this shows Cast Stem H S reports 173 students on the CCD universe file.
How Cast Stem H S compares
Cast Stem H S 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 | 9.1:1 | ▼ 38% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 65.2% | ▲ 5% | 61.9% | 51.7% |
| Enrollment | 173 | top 86% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.1:1
Leaner classes than 92% of US schools, among the more generously staffed nationally.
173
Bigger than 17% of US schools by enrollment, a small campus.
Equity indicators methodology
Economic need
65.2%
free-lunch eligible
- 5% 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
9.1:1
students per teacher
- 38% below state mean
Top 7% in Texas - lower ratio than 93% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
50.9%
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
$13,119
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 87 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 7 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 4.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 85.5%
White 6.9%
African American 3.5%
Asian 2.9%
Two or More 1.2%
Largest group: Hispanic or Latino at 85.5% of enrollment.
Student-body diversity index 26.2/100
Simpson diversity index - at 26.2, Cast Stem H S is less mixed than the Texas school average of 44.7.
Programs
AP courses offered 5
Gifted & talented Yes
District finance for Southwest Isd reports $13,119 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Cast Stem H S Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Southwest H S | Larger | Similar economic need | Higher S:T ratio |
| Southwest Legacy H S | Larger | Higher economic need | Higher S:T ratio |
| Elm Creek El | Larger | Similar economic need | Higher S:T ratio |
| Francis R Scobee Middle | Larger | Similar economic need | Higher S:T ratio |
| Ronald E Mcnair Middle | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Cast Stem H S's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- 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
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 (~173 students)
Frequently asked questions about Cast Stem H S
How many students attend Cast Stem H S?
Cast Stem H S has 173 students enrolled. It is a high school in San Antonio, TX. CCD year-over-year: 210 (2022-23) → 197 (2023-24), down 13.
What is the student-teacher ratio at Cast Stem H S?
The student-teacher ratio at Cast Stem H S is 9.1:1, which is 38% lower than the Texas average of 14.7:1 and 42% 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 Cast Stem H S?
65.2% of students at Cast Stem H S are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Cast Stem H S?
The largest demographic group at Cast Stem H S is Hispanic or Latino at 85.5% of enrollment, in San Antonio, TX.
What is the Resource Investment Index for Cast Stem H S?
Cast Stem H S has a Resource Investment Index of 54/100 (higher 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 Stem H S rank among high schools in San Antonio?
By Resource Investment Index, Cast Stem H S ranks #17 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 Southwest Isd?
Besides Cast Stem H S, 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.