Average
#163 of 399 private schools in MO
Top 41% of private schools
Mary Institute & St Louis Country Day School
School
101 N WARSON RD, St. Louis, MO 63124
Estimated academic score. This school does not have standardized test data. Based on MO statewide data. Learn more
Enrollment
1,225
Student-Teacher
9.8:1
Score
6.7
Grades
Pre-K – 12th
Enrollment
1,225
Student-Teacher
9.8:1
Score
6.7
Grades
Pre-K – 12th
Updated
2021-22
Updated 2021-22
How this school compares
In St. Louis
#42 of 74
public schools
Missouri schools
#53 of 90
About Mary Institute & St Louis Country Day School
Mary Institute & St Louis Country Day School serves 1,225 students from prekindergarten through 12th grade in Saint Louis, Missouri. With 125 full-time equivalent teachers, the school maintains an excellent student-teacher ratio of 9.8:1, allowing for more personalized attention and smaller class sizes. The school holds a MySchoolScout rating of 7.3 out of 10 and ranks #244 out of 399 schools statewide, placing it in the 39th percentile among Missouri schools.
This indicates solid performance with opportunities for continued academic growth and development. Mary Institute & St Louis Country Day School is situated in an affluent and highly educated community where 81% of residents hold bachelor's degrees or higher. The surrounding neighborhood in ZIP code 63124 has a median household income of $177,326 and a median home value of $862,400, with only 2.3% of families living below the poverty line.
This demographic profile reflects a community that highly values education and provides strong support for academic achievement. The school's comprehensive PK-12 structure allows students to develop within a consistent educational environment throughout their formative years. Mary Institute & St Louis Country Day School operates in Saint Louis's large suburban setting, offering families access to both quality education and the cultural and recreational opportunities of a major metropolitan area.
What Parents Should Know
With a student-teacher ratio of 9.8:1, Mary Institute & St Louis Country Day 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, Mary Institute & St Louis Country Day 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 Mary Institute & St Louis Country Day School compares to 203 public schools serving similar grades in St. Louis, MO
Student Demographics
Nearby Other Schools
| School | Rating |
|---|---|
| Mary Institute & St Louis Country Day School (this school) | 6.7 |
| OLD BONHOMME ELEMENTARY | 7.2 |
| SPOEDE ELEMENTARY | 8.8 |
| LADUE HORTON WATKINS HIGH | 8.9 |
| CONWAY ELEMENTARY | 9.5 |
| LADUE EARLY CHILDHOOD CENTER | 5.0 |
| LADUE FIFTH GRADE CENTER | 8.5 |
| LADUE MIDDLE | 7.9 |
| REED ELEMENTARY | 8.8 |
| IVELAND ELEM. | 6.2 |
| CRAIG ELEM. | 7.9 |
| WYLAND ELEM. | 4.8 |
| MARION ELEM. | 3.5 |
| HUDSON ELEM. | 8.6 |
| ROSS ELEM. | 4.3 |
| DR. HENRY GIVENS JR. ELEM. | 7.8 |
| RITENOUR MIDDLE | 5.5 |
| WASHINGTON ELEM. | 5.7 |
| RITENOUR SR. HIGH | 5.2 |
| MCKELVEY PRIMARY | 7.6 |
| NORTH HIGH | 6.8 |
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.
Score Breakdown
What This Rating Measures
This rating reflects classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in MO.
Data Unavailable
View data sources
Score basis: Private school model
Data coverage: 80% of scoring components had data
Components scored: 4 of 5
Ranking pool: Private schools in MO
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
101 N WARSON RD, St. Louis, MO 63124
Nearby Alternatives
Families considering Mary Institute & St Louis Country Day School may also want to explore other schools in the area. VILLA DUCHESNE & OAK HILL SCHOOL (rated 8.5/10, 1.5 miles away), which scores notably higher. Additionally, HILLCREST SDA SCHOOL (rated 5.2/10, 1.4 miles away, in nearby Olivette), a more accessible option. For more schools in St. Louis, see our St. Louis schools guide .
Nearby Schools
20 within 2.0 mi| School | Distance | Rating |
|---|---|---|
| OLD BONHOMME ELEMENTARY St. Louis | 0.9 mi | 7.2 |
| CHAMINADE COLLEGE PREP SCHOOL St. Louis | 0.8 mi | 7.0 |
| IMMANUEL LUTHERAN SCHOOL Olivette | 1.1 mi | 6.5 |
| LADUE HORTON WATKINS HIGH St. Louis | 1.3 mi | 8.9 |
| CONWAY ELEMENTARY St. Louis | 1.3 mi | 9.5 |
| HILLCREST SDA SCHOOL Olivette | 1.4 mi | 5.2 |
| LADUE MIDDLE St. Louis | 1.3 mi | 7.9 |
| SPOEDE ELEMENTARY St. Louis | 1.1 mi | 8.8 |
| MIRIAM ACADEMY St. Louis | 1.5 mi | 7.2 |
| LADUE EARLY CHILDHOOD CENTER St. Louis | 1.3 mi | 5.0 |
| LADUE FIFTH GRADE CENTER St. Louis | 1.3 mi | 8.5 |
| VILLA DUCHESNE & OAK HILL SCHOOL St. Louis | 1.5 mi | 8.5 |
| ANNUNZIATA SCHOOL St. Louis | 1.6 mi | — |
| WILLOW BROOK ELEM. Creve Coeur | 1.9 mi | 5.0 |
| LOGOS SCHOOL Olivette | 1.8 mi | 9.0 |
| REED ELEMENTARY St. Louis | 1.8 mi | 8.8 |
| LITZSINGER Ladue | 2.4 mi | 6.5 |
| HARPER SCHOOL, LLC Frontenac | 2.2 mi | — |
| ST JOSEPH'S ACADEMY St. Louis | 2.4 mi | 6.4 |
| COMMUNITY SCHOOL St. Louis | 2.0 mi | 8.1 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 63124 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$188,750
Median Home Value
$967,300
Median Rent
$1,812/mo
Population
11,009
College Educated
85%
Homeownership
74.8%
Poverty Rate
2.3%
Median Age
47.6
Community Profile
The community surrounding Mary Institute & St Louis Country Day School has a median household income of $188,750. It is a well-educated community where 85% of adults hold a bachelor's degree or higher. The median home value in the area is $967,300, with a median rent of $1,812/month. The local poverty rate of 2.3% is relatively low. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| THE BARSTOW SCHOOL Kansas City, MO | 6.9 |
| THE PEMBROKE HILL SCHOOL - WORNALL CAMPUS Kansas City, MO | 7.0 |
| MOCAP Attendance Center Springfield, MO | — |
Frequently Asked Questions
Common questions about Mary Institute & St Louis Country Day School
What grades does Mary Institute & St Louis Country Day School serve?
Mary Institute & St Louis Country Day School serves students in grades Pre-K through 12th.
How many students attend Mary Institute & St Louis Country Day School?
Mary Institute & St Louis Country Day School has an enrollment of approximately 1,225 students.
What is the student-teacher ratio at Mary Institute & St Louis Country Day School?
The student-teacher ratio at Mary Institute & St Louis Country Day School is 9.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does Mary Institute & St Louis Country Day School rank in MO?
Mary Institute & St Louis Country Day School is ranked #163 out of 399 private schools in MO.
What is Mary Institute & St Louis Country Day School's MySchoolScout rating?
Mary Institute & St Louis Country Day School has a composite rating of 6.7 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
Is Mary Institute & St Louis Country Day School a private school?
Yes, Mary Institute & St Louis Country Day School is a private coeducational school with a Nonsectarian affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.
Is Mary Institute & St Louis Country Day School a religious school?
No, Mary Institute & St Louis Country Day School is a nonsectarian (non-religious) private school.
Explore More Schools
Neighborhood Context
Quick Facts NCES PSS (SY 2021-22)
- Grades
- Pre-K – 12th
- Enrollment
- 1,225
- Gender Split
- 52% M / 48% F
- Student-Teacher Ratio
- 9.8:1
- Teachers (FTE)
- 125
- Type
- private
- Coed Status
- coed
- Affiliation
- Nonsectarian
- School Day
- 7.2 hours
- Days Per Year
- 170 days
- Setting
- Large Suburb
- County
- ST. LOUIS
- Phone
- (314) 995-7448
- 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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