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About Us
Message From the Head of School
Purpose and Mission
School News
Athletics
Community
Future Ready Leaders
Home and Abroad
Sustainability
The Arts
Media Center
Leadership Team
Faculty / Staff
Student Health Care
Belonging and Community
About Christian Science
Careers at Principia
(opens in new window/tab)
History
At a Glance
Academics
How We Teach
How We Learn
Early Childhood
Acorn Infant / Toddler Program
Early Learning Center
Preschool
Meet the Team
After-School Care
Summertime Discovery
Lower School (K–5)
Experiential Learning
Academic Excellence
Cultivating Character
Lower School Curriculum
After-School Care
Summertime Discovery
Middle School (6–8)
Experiential Learning
Place-Based Learning
Cultivating Character
Middle School Curriculum
Athletics
Upper School (9–12)
A Culture of Excellence
Community and Character
Experiential Learning
College Readiness and Curriculum
Upper School Boarding
Arts
Learning Spaces
Educational Travel
Signature Programs
Transcript Requests
Education Verification Requests
Athletics
Middle School
Upper School
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Apply
Visit Us
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About Us
Message From the Head of School
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Community
Future Ready Leaders
Home and Abroad
Sustainability
The Arts
Media Center
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Faculty / Staff
Student Health Care
Belonging and Community
About Christian Science
Careers at Principia
(opens in new window/tab)
History
At a Glance
Academics
How We Teach
How We Learn
Early Childhood
Acorn Infant / Toddler Program
Early Learning Center
Preschool
Meet the Team
After-School Care
Summertime Discovery
Lower School (K–5)
Experiential Learning
Academic Excellence
Cultivating Character
Lower School Curriculum
After-School Care
Summertime Discovery
Middle School (6–8)
Experiential Learning
Place-Based Learning
Cultivating Character
Middle School Curriculum
Athletics
Upper School (9–12)
A Culture of Excellence
Community and Character
Experiential Learning
College Readiness and Curriculum
Upper School Boarding
Arts
Learning Spaces
Educational Travel
Signature Programs
Transcript Requests
Education Verification Requests
Athletics
Middle School
Upper School
Athletic Facilities
Boarding
Admissions
Apply
Visit Us
Early Childhood Admissions
Lower School Admissions
Middle School Admissions
Upper School Admissions
School Counseling
International Students
Tuition & Tuition Assistance
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Views of Principia School
Moving to St. Louis
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