HARLANDALE ISD STEM ECHS-ALAMO COLLEGES AT PAC
Public
High Grades 9–12
Part of HARLANDALE ISD
4040 APOLLO, SAN ANTONIO, TX 78214 · (210) 989-4300
Community ratings
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Academic performance
Math proficiency37%
State average 36.6%
Reading / language arts72%
State average 41.8%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
393Students enrolled
25:1Student–teacher ratio
74%Free / reduced lunch
CitySetting
Regular SchoolSchool type
Enrollment by grade
Grade 9104
Grade 1093
Grade 1188
Grade 12108
Students
Hispanic · 93%365
White · 6%22
Asian · 1%4
Two or more races · 1%2
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
393’20
404’21
388’22
400’23
393’24
Location
4040 APOLLO SAN ANTONIO
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.