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B−

Cast Tech H S

PublicHighGrades 9–12Charter

637 N Main, San Antonio, TX 78205 · (210) 554-2700

San Antonio’s School Grade B− better than 48% of Texas school districts

Directions
Students
451
Students per teacher
15:1
Free or reduced lunch
64%
Setting
City
Grades
9–12
The gist

What stands out about Cast Tech H S

  • Its own letter, B−: better results than 52% of Texas’s public schools
  • Math proficiency 10 pts below the state
  • Reading / language arts 5 pts above the state
  • Enrollment down 8.3% since 2020–21

Test scores

2020–21
Math proficiency27%
State average 36.6%
Reading / language arts47%
State average 41.8%

Its own letter, B−, places these results among Texas’s 7,796 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

637 N Main, San Antonio

Students

Enrollment by grade
Grade 991
Grade 10126
Grade 11116
Grade 12118
Enrollment over time
492’20
471’21
457’22
506’23
451’24

Down 8.3% since 2020–21.

Who goes here
Hispanic 89%White 6%Black 3%Asian 1%Two or more races <1%Native Hawaiian/Pacific Islander <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Cast Tech H S from San Antonio families.

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Texas’s other public schools; San Antonio’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.