Pictures

Enjoy these images of fall semester 2021. From Preschool to Upper School, it has been a time to remember—filled with joy, learning, and overcoming challenges. This slideshow includes photos of Principia School students at various Christmas programs, science projects, clubs, field trips, and other events.

This spring, the St. Louis chapter of the American Chemical Society gave its annual High School Chemistry Teaching Award to Upper School chemistry teacher Melanie Shedd (C'98) for her achievements and innovation in science education. Shedd also serves as the School’s K–12 science curriculum coordinator.

This highly regarded award ...

Get an inside look at the most recent Summer Session—see classes, performances, activities, and lots of smiles! Next year's Summer Session takes place June 6–20, 2020.

Enjoy a peek at a fall semester filled with engaged learning, athletic achievement, artistic expression, and heartfelt friendship.

From classes to character trips, sports competitions to community events, School students are happily engaged in a range of fall semester activities.

We’re launching the 2018–19 academic year. Take a peek at classes, clubs, athletics, and a study abroad.

See how our 2018 started—from abroads to classes, clubs to athletics.

We’re wrapping up a semester filled with engaged learning, inclusive community events, and artistic expression on the stage and in the studio.