Limited Profile
Not enough data to generate a rating
Principia School
School
13201 CLAYTON RD, St. Louis, MO 63131
Enrollment
15
Student-Teacher
0.5:1
Grades
Pre-K – 12th
Enrollment
15
Student-Teacher
0.5:1
Grades
Pre-K – 12th
Updated
2021-22
Updated 2021-22
About Principia School
Principia School is a Other Religious private school in St. Louis, MO 63131. The school serves approximately 15 students in grades Pre-K – 12th with a student-teacher ratio of 0.5:1.
Located in a neighborhood with a median household income of $209,306, where 83% of adults hold a bachelor's degree or higher. The school is situated in a large suburban setting.
What Parents Should Know
With an enrollment of 15 students, Principia School is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.
With a student-teacher ratio of 0.5:1, Principia School offers a notably low ratio compared to the national average. This typically means smaller class sizes and more opportunities for one-on-one interaction between students and teachers.
As a private school, Principia School operates independently from the local public school district. Families considering this school should inquire about tuition costs, financial aid availability, and the admissions process. Private schools are not required to follow the same curriculum standards as public schools, which can be either an advantage or a consideration depending on your priorities.
Compare to Public Schools
BetaHow Principia School compares to 203 public schools serving similar grades in St. Louis, MO
Student Demographics
Nearby Other Schools
| School | Rating |
|---|---|
| Principia School (this school) | — |
| LADUE FIFTH GRADE CENTER | 8.5 |
| LADUE EARLY CHILDHOOD CENTER | 5.0 |
| ROSS ELEM. | 4.3 |
| SPOEDE ELEMENTARY | 8.8 |
| CRAIG ELEM. | 7.9 |
| NORTH HIGH | 6.8 |
| LADUE HORTON WATKINS HIGH | 8.9 |
| MCKELVEY PRIMARY | 7.6 |
| CONWAY ELEMENTARY | 9.5 |
| LADUE MIDDLE | 7.9 |
| OLD BONHOMME ELEMENTARY | 7.2 |
| HUDSON ELEM. | 8.6 |
| REED ELEMENTARY | 8.8 |
| DR. HENRY GIVENS JR. ELEM. | 7.8 |
| IVELAND ELEM. | 6.2 |
| WALTER AMBROSE FAMILY CENTER | 4.8 |
| BRISTOL ELEM. | 7.7 |
| CRESTWOOD ELEM. | 7.3 |
| CLARK ELEM. | 8.9 |
| EARLY CHILDHOOD ED CENTER WEST | 4.9 |
Showing 20 of 203 schools. View all schools in St. Louis
Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.
School Profile
Limited Data- Grades
- Pre-K – 12th
- Enrollment
- 15 students
- Type
- Private · Other Religious
- Student-Teacher Ratio
- 0.5:1
- Address
- 13201 CLAYTON RD, St. Louis, MO 63131
- Phone
- (314) 434-2100
- Data Year
- SY 2021-22
Why doesn't this school have a score?
We don't have enough verified data to rate this school fairly. Private schools in MO aren't required to report standardized test scores to the state, which limits the data available for our rating model.
Our rating model requires at least 2 of 4 data components (academics, student progress, college readiness, and resources) to generate a meaningful score. Schools below this threshold receive a Limited Profile to avoid misleading ratings.
Test Scores
Test score data not yet available for this school.
Student Demographics NCES PSS (SY 2021-22)
Source: NCES Private School Survey (PSS)
Location
13201 CLAYTON RD, St. Louis, MO 63131
Nearby Alternatives
Families considering Principia School may also want to explore other schools in the area. AL-SALAM DAY SCHOOL (rated 9.3/10, 2.3 miles away, in nearby Manchester). Another option is PROMISE CHRISTIAN ACADEMY (rated 7.0/10, 1.0 miles away, in nearby Town And Country). Additionally, VISITATION ACADEMY (rated 6.8/10, 1.9 miles away). For more schools in St. Louis, see our St. Louis schools guide .
Nearby Schools
20 within 2.3 mi| School | Distance | Rating |
|---|---|---|
| MASON RIDGE ELEM. Town & Country | 0.5 mi | 7.6 |
| ST LOUIS PRIORY SCHOOL St. Louis | 0.9 mi | 8.4 |
| ROSSMAN SCHOOL St. Louis | 1.1 mi | 7.7 |
| PROMISE CHRISTIAN ACADEMY Town And Country | 1.0 mi | 7.0 |
| SAUL MIROWITZ JEWISH COMMUNITY SCHOOL St. Louis | 1.3 mi | 8.2 |
| THE MOOG CENTER FOR DEAF EDUCATION St. Louis | 1.2 mi | — |
| WHITFIELD SCHOOL St. Louis | 1.6 mi | 7.1 |
| COUNTRYSIDE MONTESSORI SCHOOL St. Louis | 1.9 mi | — |
| ST AUSTIN SCHOOL Chesterfield | 1.8 mi | 6.8 |
| WESTMINSTER CHRISTIAN ACADEMY Town And Country | 1.6 mi | 6.1 |
| COVENANT CHRISTIAN SCHOOL Town And Country | 1.7 mi | 4.1 |
| HIRAM NEUWOEHNER Town And Country | 1.8 mi | 6.8 |
| EXTERNAL SITES Town and Country | 1.8 mi | 6.7 |
| VISITATION ACADEMY St. Louis | 1.9 mi | 6.8 |
| NORTHEAST MIDDLE Creve Coeur | 2.2 mi | 6.0 |
| AL-SALAM DAY SCHOOL Manchester | 2.3 mi | 9.3 |
| PIERREMONT ELEM. Manchester | 2.4 mi | 8.4 |
| CHRIST PRINCE OF PEACE SCHOOL Manchester | 2.5 mi | 6.6 |
| BELLERIVE ELEM. Creve Coeur | 2.7 mi | 6.8 |
| SOUTH MIDDLE Manchester | 2.3 mi | 7.5 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 63131 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$209,306
Median Home Value
$734,300
Median Rent
$1,999/mo
Population
17,993
College Educated
83.3%
Homeownership
92.8%
Avg Commute
21.2 min
Poverty Rate
2.1%
Median Age
46.2
Community Profile
The community surrounding Principia School has a median household income of $209,306. It is a well-educated community where 83% of adults hold a bachelor's degree or higher. The median home value in the area is $734,300, with a median rent of $1,999/month. The local poverty rate of 2.1% is relatively low. The average commute for residents is 21 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| ANCHOR ACADEMY Vanduser, MO | — |
| BRIARWOOD SCHOOL Harrisonville, MO | — |
| Boonslick St. Peters, MO | — |
| CEDAR RIDGE SCHOOL Nevada, MO | — |
| COLLEGE VIEW SCHOOL Joplin, MO | — |
| CROWLEY RIDGE SCHOOL Dexter, MO | — |
Frequently Asked Questions
Common questions about Principia School
What grades does Principia School serve?
Principia School serves students in grades Pre-K through 12th.
How many students attend Principia School?
Principia School has an enrollment of approximately 15 students.
What is the student-teacher ratio at Principia School?
The student-teacher ratio at Principia School is 0.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
Is Principia School a private school?
Yes, Principia School is a private coeducational school with a Other Religious affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.
Is Principia School a religious school?
Principia School has a Other Religious religious affiliation.
Explore More Schools
Neighborhood Context
- City Safety
- High (7,108/100K)
FBI UCR 2024. City-level (St. Louis). Data >1 year old.
Quick Facts NCES PSS (SY 2021-22)
- Grades
- Pre-K – 12th
- Enrollment
- 15
- Gender Split
- 7% M / 93% F
- Student-Teacher Ratio
- 0.5:1
- Teachers (FTE)
- 29
- Type
- private
- Coed Status
- coed
- Affiliation
- Other Religious
- School Day
- 6 hours
- Days Per Year
- 170 days
- Setting
- Large Suburb
- County
- ST. LOUIS
- Phone
- (314) 434-2100
- Data Year
- 2022–2023
Resources & Links
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
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