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Principia School

Public Events

Come one, come all to Principia School for performances and special events.

Students, faculty, staff, and the community join together to perform, create, and inspire on our beautiful campus. Most events are free of charge.

Love performances and the arts? Join us for musical and dance productions. Love nature? Look for our yearly BioBlitz event in May with collaborators like the St. Louis Zoo and the Missouri Botanical Garden. 

Reach out to us if you have questions. We are excited to welcome you to campus! 

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Alumni & Friends

Production of The Wizard of Oz

Wizard of Oz, Principia School | Ridgway Auditorium | February 20-22 | 7 p.m.

Principia's Upper School presents The Wizard of Oz for three nights only, February 20–22 at 7:00 p.m. in Ridgway Auditorium. Public tickets are available to purchase on February 4. Purchase tickets here.

Get your seats early to reserve the best seats! Online sales are available up until the start of each evening’s performance. Refunds are accepted but will incur a $1 processing fee per refunded ticket. 

After purchase, check your email and spam for a QR code ticket, which is necessary for entry to the show. For wheelchair seating, email heather.biro@principia.edu or call the box office at 314.514.3155. 

BioBlitz 2025: May 2-3

Principia School Campus | May 2-3, 2025

Citizen science and fun! Join us for BioBlitz 2025, a community celebration and scientific survey of the plants and animals that live on the Principia School campus. Explore and discover alongside scientists from the Saint Louis Zoo, Missouri Botanical Garden, and Missouri Department of Conservation.

Enjoy s’mores and stargazing on Friday night and donuts, painting, and STEM activities on Saturday morning. Registration is required (link coming soon).

No experience necessary and adventurers of all ages are welcome. Be sure to wear comfortable clothes and shoes that you can explore and get dirty in. 

For questions, call 314.514.3149 or email field@principia.edu.