St Mary's Hall.
Free facts about this school, with sources and years. Want the 5-year story behind the numbers? That's what members get.
About this school.
St Mary's Hall is a private school in San Antonio, Texas, serving grades PK–12. It enrolled 689 students in 2021.
What the numbers say.
Every figure below is an officially reported fact with its year. Comparison bars pit this school against district, state, and U.S. medians. Figures marked xx are member-only fields — same catalog, values kept back for members.
Academic outcomes
Science proficiency
Science assessment proficiency
Member-only field
Staff & support
Full-time equivalent teaching staff.
Reported teaching staff
Support-staff FTE · member-only rows
Attendance & climate
Source year 2021
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Questions about St Mary's Hall.
What grades does St Mary's Hall serve?
St Mary's Hall is a private school serving grades PK–12.
Where is St Mary's Hall located?
St Mary's Hall is in San Antonio, Texas. Its reported address is 9401 STARCREST DR.
How many students attend St Mary's Hall?
689 students were enrolled in 2021.
Do you rank or rate schools?
No — never. We publish reported facts with their sources and years. Anyone selling you a single score is selling an opinion, not data.
How current is this information?
Every fact carries its year, shown beside the value. This page reflects release v2026.07.
Can I get the full dataset for St Mary's Hall?
This page is the free record. Full school rows and API entry are paid — see API access.
Check the original record.
The full directory record for this school, as reported. Anything we don't hold is left out — never filled in.
ST MARY'S HALL
Directory facts as reported to the source. This page reflects release v2026.07.
122 fields. This page shows the highlights.
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