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At Principia, your child's educational journey from Pre-K to grade 12 is guided by those who believe in boundless possibility.
Beyond a college-prep day and boarding school (for grades 8 to 12) in St. Louis, Principia is founded upon Christian Science principles that see students as limitless and divinely whole.
Here, our students grow through character education and experiential learning to uncover natural strengths, critical thinking skills, and limitless potential.
Principia School in Town & Country is highlighting its departure from traditional rote learning in favor of project-based and integrated education that develops students intellectually, morally, spiritually, physically, and socially. ...moreIt emphasizes how the school's "whole-person" approach and hands-on experiences empower students to become confident learners and purposeful leaders. hide
A St. Louis teenager's journey from basement DJ to nonprofit founder is inspiring the next generation of musicians and entrepreneurs in unexpected ways
Principia School's faith-based, project-rich approach encourages students to lead their own learning while developing purpose, character, and academic readiness. It shows how small classes, hands-on experiences, and a global mindset ...moreunite to cultivate confident graduates prepared for college and beyond. hide
Quentin Coleman, a top-ranked shooting guard, announces his college choice live. The skilled player, known for deep range and on-ball creativity, discusses the journey to this pivotal moment. This broadcast ...morefeatures highlights and an in-depth look at this rising star's decision. hide
Principia School has once again been nationally recognized as one of the Best Schools in Missouri by Niche, the country's leading college and school search platform. Niche has ranked Principia ...moreSchool as the No. 1 Best Christian High Schools in Missouri and St. Louis, and No. 1 Best Christian K-12 Schools in Missouri and St. Louis. Principia also ranked as No. 2 Best Boarding High Schools in Missouri and St. Louis, and No. 4 Best Private K-12 Schools in St. Louis. hide
Principia School is a co-educational, PK-12 college preparatory school in St. Louis, Missouri, grounded in the teachings of Christian Science but welcoming to students of various backgrounds. The school emphasizes a "whole child" approach, blending academic excellence with character development through a focus on spiritual, intellectual, moral, social, and physical growth. Its educational model includes core academics, innovative programs, a 360-acre campus, and a strong sense of community fostered through activities like the House system and extensive experiential learning opportunities.
Principia School accreditations: TABS, ISACS, ISSL
Sample of notable school alumni/alumnae:
Lewis Howes (US’01, C’05) - New York Times bestselling author of The School of Greatness
Aaron Goldsmith (US’02, C’06)) - Broadcaster for the Seattle Mariners
Robert Duvall (US’49, C’53) - Academy award winning actor
Darcy Penick (US’96) - President of Bergdorf-Goodman
Marika McCauley Sine (US’96) - Chief Sustainability Officer at Starbucks
Kip Keller (US’19) - Professional soccer player - United Soccer League
Candy Crowley (US’66) - American news anchor who was CNN's chief political correspondent, specializing in American national and state elections
When is the application deadline for Principia School?
The application deadline for Principia School is Jan. 13 / rolling (applications are due on Jan. 13 but additional applications are reviewed year-round as space permits ).
