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The Principia

Principia School Open House

Saturday, October 24, 2026Central Daylight Time UTC -05:00

Map and Directions

Principia School
13201 Clayton Rd
Saint Louis, MO 63131
United States

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Principia School

Principia School

13201 Clayton Road

St. Louis, MO 63131

314.434.2100

Principia College

Principia College

1 Maybeck Place

Elsah, IL 62028

618.374.2131