Upper School
From building a competition-winning robot to starting a small business, upper schoolers put their understanding into practice, developing as thoughtful leaders, skilled communicators, and creative problem solvers.
Defining Elements of Principia Upper School
Leadership
Student-managed activities for peers and the community build leadership skills.
Learn MoreA Culture of Excellence
Principians regularly win awards in the arts, athletics, and academics.
Learn MoreCollege Readiness
Starting in freshman year, counselors helps students prepare for success in college.
Learn MoreLife in Our Dorms
Whether their home is nearby or halfway around the world, our boarding students find friends they can count on—while learning lifelong lessons in independence and self-government.