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Upper School (9–12)

Our 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 values of Excellence, Character, Diversity, and Love are the foundation of all we do.

Defining Elements of Principia Upper School

A Culture of Excellence

Principians excel in academics, athletics, arts, and more.

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Community & Character

Students develop essential skills in a supportive community.

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Computer

Experiential Learning

We deepen our understanding through relevant, hands-on projects.

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College Readiness

Counselors support student success in academics, social/emotional development, and college preparation.

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100% of Upper School Students:

  • Are provided with a school-issued MacBook for their class work.

  • Travel domestically on character-based trips, and many participate in additional curriculum-based trips to international and domestic locations.

  • Complete a capstone project during senior year.

  • Participate in community service activities.

  • Deliver a speech to the Principia and broader community.

  • 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

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Learn More About Our Unique Program

Explore our Curriculum

See what academic opportunities await you at Principia.

See our Course Catalog

Athletics

Discover a wide variety of athletic opportunities for students of all levels.

Visit Athletics

Arts 

From one-act plays to musical performances, see the opportunities available to students.

Visit Arts

Campus Life