Welcome to Keystone School
Keystone School has been a haven for San Antonio's bright and motivated children since 1948. Our diverse community of engaged learners in grades PK3-12 enjoys small classes, master teachers, and interdisciplinary instruction at our warm and historic campuses. Keystone's scholars prepare for adulthood in a safe and inclusive environment, and consistently lead the nation in measures of academic excellence.
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In the News
Register Now for Summer Fun at Keystone!
Our unique 2-week summer program is open to students in grades 6-9...LEARN MORE.
Academic WorldQuest
Congratulations to all of the Keystone teams, who took 1st, 2nd, and 4th in the Regional competition, and good luck to Jack, Dan, Julia, and Mark as you compete at Nationals!
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Upcoming Events
- 5/24 - In-Service
- 5/27 - High School Graduation