Average
#4459 of 8,552 schools in TX
Cast Tech H S
High School · SAN ANTONIO ISD
637 N MAIN, San Antonio, TX 78205
Enrollment
506
Student-Teacher
16.9:1
Score
6.3
Grades
9th – 12th
Enrollment
506
Student-Teacher
16.9:1
Score
6.3
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Texas schools
#4,459 of 8,552
In San Antonio
#147 of 516
public schools
In district
#16 of 94
SAN ANTONIO ISD
Academic growth
9.6 / 10
Excellent
Shortlisting around Cast Tech H S?
Use this profile as one decision point, then compare nearby options, source confidence, and commute fit before picking a neighborhood around it.
Shortlist starter
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Cast Tech H S
High School in San Antonio · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Fox Technical H S
0.0 mi away. Use as a geographic alternative in the same move search.
Saisd - PK 4 Sa
0.2 mi away. Use as a geographic alternative in the same move search.
About Cast Tech H S
Cast Tech H S is a public high school in San Antonio, TX, part of SAN ANTONIO ISD. Cast Tech H S serves approximately 506 students, and covers grades 9th-12th, and has a 16.9:1 student-teacher ratio. Cast Tech H S has a current MySchoolScout rating of 6.3 out of 10 and ranks #4,459 of 8,552 schools in TX.
Structured state assessment records for Cast Tech H S show 30% math proficiency (multi-year average, 2017-2024) and 59% reading/ELA proficiency (multi-year average, 2017-2024).
- This school 6.3 · Average
- District avg 5.5
- TX avg 6.3
What Parents Should Know
Cast Tech H S is a charter school: publicly funded, but run with more independence than a traditional district school. Many charters are built around a specific model or focus, so it's worth understanding this one's mission, how enrollment works, and how it differs from the district schools nearby.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Cast Tech H S — Students at Cast Tech H S score 48% proficient, which is above what's typical for similar communities (expected: 47%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
64%
Students qualifying for federal meal assistance
Test Scores TX STAAR (2023-24)
Based on 12 test records from TX state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.6/10.
How Cast Tech H S Compares
See how Cast Tech H S performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
637 N MAIN, San Antonio, TX 78205
Nearby Alternatives
Families considering Cast Tech H S may also want to explore other high schools in the area. TRAVIS EARLY COLLEGE H S (rated 7.5/10, 1.1 miles away), which scores notably higher. Another option is PROVIDENCE CATHOLIC SCHOOL (rated 6.1/10, 0.6 miles away), with a very similar rating. Additionally, HEALY-MURPHY CENTER (rated 6.1/10, 0.9 miles away), with a very similar rating. For more schools in San Antonio, see our San Antonio schools guide .
Nearby Schools
20 within 1.4 mi| School | Distance | Rating |
|---|---|---|
| FOX TECHNICAL H S San Antonio | 0.0 mi | 5.6 |
| SAISD - PK 4 SA San Antonio | 0.2 mi | 3.3 |
| ADVANCED LEARNING ACADEMY San Antonio | 0.4 mi | 6.9 |
| CHRISTUS SANTA ROSA San Antonio | 0.4 mi | — |
| PROVIDENCE CATHOLIC SCHOOL San Antonio | 0.6 mi | 6.1 |
| CENTRAL CATHOLIC HIGH SCHOOL -SAN ANTONIO San Antonio | 0.6 mi | 5.3 |
| POSITIVE SOLUTIONS CHARTER San Antonio | 0.7 mi | 4.7 |
| HENRY FORD ACADEMY ALAMEDA SCHOOL FOR ART + DESIGN San Antonio | 0.8 mi | 5.3 |
| IMELDA DAVIS EARLY COLLEGE H S San Antonio | 1.0 mi | — |
| COOPER ACADEMY AT NAVARRO San Antonio | 1.0 mi | 5.8 |
| HEALY-MURPHY San Antonio | 0.9 mi | 5.5 |
| HEALY MURPHY PK San Antonio | 0.9 mi | 3.3 |
| HEALY-MURPHY CENTER San Antonio | 0.9 mi | 6.1 |
| TRAVIS EARLY COLLEGE H S San Antonio | 1.1 mi | 7.5 |
| GREAT HEARTS MONTE VISTA San Antonio | 1.2 mi | 7.6 |
| HAWTHORNE PK-8 ACADEMY San Antonio | 1.2 mi | 3.3 |
| BONHAM ACADEMY San Antonio | 1.3 mi | 5.1 |
| MARGIL EL San Antonio | 1.2 mi | 2.8 |
| TAFOLLA MIDDLE San Antonio | 1.2 mi | 2.0 |
| KEYSTONE SCHOOL San Antonio | 1.4 mi | 8.3 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 78205 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$34,631
Median Home Value
$470,200
Median Rent
$1,265/mo
Population
1,653
College Educated
43.7%
Homeownership
9%
Poverty Rate
21.2%
Median Age
51.6
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| HEARNE JH/HS Hearne, TX | 6.3 |
| KIPP OAK CLIFF ACADEMY Dallas, TX | 6.3 |
| MARLIN HIGH Marlin, TX | 6.3 |
| NATALIA H S Natalia, TX | 6.3 |
| RUSK H S Rusk, TX | 6.3 |
| ST DOMINIC SAVIO CATHOLIC HIGH SCHOOL Austin, TX | 6.3 |
Frequently Asked Questions
Common questions about Cast Tech H S
What grades does Cast Tech H S serve?
Cast Tech H S serves students in grades 9th through 12th.
How many students attend Cast Tech H S?
Cast Tech H S has an enrollment of approximately 506 students.
What is the student-teacher ratio at Cast Tech H S?
The student-teacher ratio at Cast Tech H S is 16.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Cast Tech H S rank in TX?
Cast Tech H S ranks #4,459 of 8,552 schools in TX.
What is Cast Tech H S's MySchoolScout rating?
Cast Tech H S has a current MySchoolScout rating of 6.3 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Cast Tech H S?
Based on loaded state assessment records, Cast Tech H S has 30% math proficiency (multi-year average, 2017-2024) and 59% reading/ELA proficiency (multi-year average, 2017-2024).
Is Cast Tech H S a charter school?
Yes, Cast Tech H S is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.
Is Cast Tech H S a Title I school?
No, Cast Tech H S is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Cast Tech H S?
64.0% of students at Cast Tech H S qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 506
- Student-Teacher Ratio
- 16.9:1
- Teachers (FTE)
- 30
- Free/Reduced Lunch
- 64.0%
- Type
- regular
- Setting
- Large City
- County
- Bexar County
- Chronic Absenteeism (SY 2022-23)
- 29.1%
- Phone
- (210) 554-2700
Resources & Links
District
SAN ANTONIO ISD- District Enrollment
- 44,670
- Schools in District
- 98
- Per-Pupil Spending
- $13,971
- District Rank
- #16 of 94
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
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