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.
Find Us. Follow Us. Share Us.
In the News
KSAT featured a story about Keystone
| Sign up for Summer Creativity Camp |
| Sign up for Summer Writers' Workshop |
| Check out all our summer offerings |
| Apply Online |
Upcoming Events
- 5/20 - Middle and Upper School Exams
- 5/21 - Middle and Upper School Exams
- 5/21 - Little School Graduation
- 5/22 - Last Day of School
- 5/22 - Middle and Upper School Exams
- 5/22 - Grading Period 4 Ends
- 5/26 - Senior Graduation
- 5/27 - School Holiday - No School
- 6/07 - Report Card #4