The Principia School

The Principia School

Private Pre-K, Elementary, Middle, High School | Grade Pre-K-12
13201 CLAYTON Rd,  Saint Louis, MO
4.4
4.6
433 Students
A+
Niche Grade

School Details

Student Teacher Ratio
10:1
Average SAT Score
1210
Average ACT Score
28
Average GPA
3.66
Graduation Rate
100%
Annual Tuition
$24,040
Religious Affiliation
Christian
Boarding Program
Offers Boarding

Niche Grade

A
Academics
A-
Teachers
A+
College Prep
A+
Resources/Facilities
A+
Clubs and Activities
A
Sports
Source: Niche
Niche Grades

Niche grades and rankings are calculated using dozens of public data sets and millions of reviews. Niche data scientists and user researchers rigorously analyze data and user opinions to assess the key aspects of K-12 Schools, Colleges, and Places to Live. Every month, millions of students and families use the Niche grades and report cards to find the right school or neighborhood.

Niche Grade Details

Academics
Average GPA
3.66
Teachers
Student Teacher Ratio
10:1
Teachers
50
Full Time Teachers
50
Part Time Teachers
0
College Prep
Average SAT
1210
Math
600
Verbal
610
Average ACT
28
Math
24
English
28
Reading
30
Science
27
Number of AP Courses
15
Four-Year Matriculation Rate
96%
Clubs and Activities
Girls Athletic Participation
Very High
Boys Athletic Participation
Very High

GreatSchools Rating Details

Student Diversity

White
80.4%
Two or more races
8.2%
Black
8.2%
Asian or Pacific Islander
3.3%
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School Rankings

#1 Best Christian Schools in Missouri
#2 Best Boarding HS in Missouri
#2 Best HS for the Arts in Missouri
Source: Niche

Specialty School Programs

Athletics Program

Colleges Students are Considering

Students are most interested in or go on to attend these colleges.
Principia College 88 Students
Washington University in St. Louis 39 Students
Saint Louis University 27 Students
Maryville University 25 Students
University of California - Los Angeles 18 Students
New York University 18 Students
University of Missouri 17 Students
Stanford University 17 Students
University of Missouri—St. Louis 17 Students
Boston University 16 Students

What Students Want to Study

Niche users from this school are most interested in the following majors.
Business 50 Students
Marketing 23 Students
Economics 16 Students
Computer Science 15 Students
International Business 15 Students
Psychology 13 Students
Sociology 13 Students
Political Science and Government 11 Students
Mechanical Engineering 11 Students
Communications 11 Students

This School’s Reviews

Niche Reviews
4.4 79 Reviews
5.0
3/1/2024
I love Principia because we are all really bonded with each other, whether student or teacher, and there are so many cool things we get to experience. One of my favorite things is the trips program. I have gone to Arizona, Utah, New York, and am about to go to Puerto Rico, and each of these trips has brought me even closer to all of my classmates. I also love how supportive the teachers are, because if you are behind in anything, they will help you to catch up and always motivate and encourage you throughout the process. The community is great as well, and I am just so grateful I get to be a part of it.
4.0 Sophomore
12/16/2023
The best part about Principia is the amount of resources given to you. It's difficult to balance extracurriculars with school sometimes but there are always faculty members willing to help. There is a huge emphasis on community service and helping our community which is helpful for character development. It is great to go to a school that cares about you as an individual and your academics and everyone there strives to make themselves and the people around them better.
5.0 Alum
6/2/2023
I loved the welcoming environment. The community in general is warm and you can feel part of it since day one. The campus is very pretty and the facilities are top. One thing I would like to see changed is the food, it is not terrible but it can improve.
GreatSchools Reviews
4.6 22 Reviews
5.0 parent
5/21/2023
this is the best school ive ever been to. Bring your kids here, i know its expensive, but i swear its worth it.
5.0 parent
11/20/2020
Relocating to STL for our kids to attend Principia was the best gift we could give our children. Our youngest (Preschool) exudes an endless stream of joy and happiness. She overflows with love for her teachers, her new friends, and her experience. The transformation we’ve seen in our eldest (gr. 4)...
5.0 parent
7/19/2020
Excellent. There has been drastic improvement in my child’s grades and overall character to be a well rounded individual. The boarding system is excellent and adds to the expectations of responsibility by the kids.
5.0 parent
6/18/2020
Excellent. My children had opportunities to play sports, receive great instruction in class and in sports, meet students from all over the world, travel to Israel for Bible class, and grow as individuals.

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