Upper School (9–12)
Our college-prep, future-ready educational experience prepares students to succeed in an ever-changing world. Integrated learning creates deeper connections through real-world problem solving, character education, community engagement, and exceptional curriculum-based trips.
From starting a small business to finding solutions to a United Nations Sustainability Goal, upper schoolers put their understanding into practice and develop as thoughtful leaders, skilled communicators, and creative problem solvers. Our core value of LOVE and its attributes–Limitless potential; Overcome obstacles; Value God, ourselves, and others; Embrace excellence–are the foundation of all we do.
For more information about our Upper School Program, please contact Jordan Poznick at 314.514.3194 or email.
Defining Elements of Principia Upper School
100% of Upper School Students:
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Are provided with a school-issued MacBook for their class work.
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Travel domestically on character-based trips, and many participate in additional curriculum-based trips to international and domestic locations.
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Complete a capstone project during senior year.
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Participate in community service activities.
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Deliver a speech to the Principia and broader community.
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Make lasting friendships.
I have had a wonderful experience at Principia School for the last four years! The teachers are dedicated to making learning engaging and meaningful. I really feel like I'm being prepared for college and future careers.”
- Upper School senior
Learn More About Our Unique Program
Explore Our Curriculum
See what academic opportunities await you at Principia.
Athletics
Discover a wide variety of athletic opportunities for students of all levels.
Arts
From one-act plays to musical performances, see the opportunities available to students.
