Keystone School.
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.
Keystone School is a private combined school in San Antonio, Texas, serving grades PK–12. It enrolled 419 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
Counselors
Support-staff FTE · member-only rows
Attendance & climate
Source year 2021
Equity
Source year 2021
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Questions about Keystone School.
What grades does Keystone School serve?
Keystone School is a combined school serving grades PK–12.
Where is Keystone School located?
Keystone School is in San Antonio, Texas. Its reported address is 119 E CRAIG PL.
How many students attend Keystone School?
419 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 Keystone School?
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.
KEYSTONE SCHOOL
Directory facts as reported to the source. This page reflects release v2026.07.
122 fields. This page shows the highlights.
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