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 Story
| Sign up for Summer Creativity Camp |
| Sign up for Summer Writers' Workshop |
| Get your 2019 Fiesta Medal now |
| Apply Online |
Upcoming Events
- 4/23 - Middle School Softball vs. Atonement (Tony Martinez Field)
- 4/23 - Upper School Softball @ St. Gerard (Away)
- 4/24 - PTO Council Meeting
- 4/25 - International Day
- 4/25 - Middle School Event-Main Event
- 4/25 - Little School Fiesta Event
- 4/25 - Progress Report #4
- 4/26 - School Holiday - No School
- 4/27 - King William Alumni Party
- 4/29 - Lower School Bookfair
- 4/30 - Lower School Bookfair
- 5/01 - Muffins with Mom-Little School
- 5/01 - College Announcement Day
- 5/01 - Lower School Bookfair
- 5/02 - 2nd grade play
- 5/02 - Lower School Bookfair
- 5/03 - Lower School Bookfair
- 5/08 - KEYS Performance
- 5/09 - 1st grade play
- 5/09 - 4th grade Parent - Welcome to Middle School
- 5/10 - Donor Appreciation Dinner
- 5/11 - 7th & 8th grade Hiking Club