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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Upcoming Events
- 12/19 - Middle and Upper School Exams
- 12/20 - Middle and Upper School Exams
- 12/21 - Middle and Upper School Exams
- 12/21 - Last Day of Semester 1, K-12th grade Early Release
- 12/21 - Alumni Holiday Reunion
- 12/21 - Grading Period 2 Ends
- 12/21 - Little School Winter Party
- 12/24 - Winter Break
- 12/25 - Winter Break
- 12/26 - Winter Break
- 12/27 - Winter Break
- 12/28 - Winter Break
- 12/29 - Winter Break
- 12/30 - Winter Break
- 12/31 - Winter Break
- 1/01 - Winter Break
- 1/02 - Winter Break
- 1/03 - Winter Break
- 1/04 - Winter Break
- 1/05 - 6th Grade Girls Basketball game vs. St. George @ san Antonio Christian
- 1/05 - 6th Grade Boys Basketball Game vs. Geneva @ San Antonio Christian