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Principia School

After-School Care

Principia offers flexible and affordable after-school options for students from preschool through grade 8 each school day. Preschool children and Lower School children will be cared for at their respective playgrounds/buildings during the times listed below. Middle School students will also be cared for in the Lower School lobby or playground.

  • Monday–Friday: 3:15–5:30 p.m.

There is a minimum charge of $8 for the first hour and $2.00 for every 15 minutes (or portion) thereafter.  Please send a snack. Children will primarily be outside for supervised play when weather permits. 

For additional information, please call 314.275.3579 or email

Before and After School