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Excellent

#24 of 399 private schools in MO

Top 6% of private schools

St Mark School

Elementary School

4220 RIPA AVE, St. Louis, MO 63125

Private Estimated Score

Estimated academic score. This school does not have standardized test data. Based on MO statewide data. Learn more

Enrollment

121

Student-Teacher

8.9:1

Score

8.2

Grades

Pre-K – 8th

Updated 2021-22

How this school compares

In St. Louis

#7 of 74

public schools

Missouri elementary schools

#7 of 238

About St Mark School

ST Mark School serves 121 students from prekindergarten through eighth grade in Saint Louis, Missouri. This small elementary school maintains an impressive student-teacher ratio of 8.9:1 with 14 full-time equivalent teachers, allowing for more individualized attention in each classroom. The school has earned a solid MySchoolScout rating of 7.3 out of 10 and ranks 165th among Missouri's 399 elementary schools, placing it in the 59th percentile statewide.

This performance reflects the school's commitment to providing quality education in an intimate learning environment where teachers can focus on each student's individual needs. Located on Ripa Avenue, ST Mark School sits in the 63125 ZIP code area, a community with a median household income of $58,755 and median home values around $160,700. The neighborhood serves a population of approximately 32,750 residents, with 22% holding bachelor's degrees or higher and a relatively low poverty rate of 11.1%.

The school's small size creates a close-knit community atmosphere where students, families, and staff can build meaningful relationships. ST Mark School operates within Saint Louis's large suburban setting, offering families an accessible elementary education option in a stable, working-class neighborhood.

What Parents Should Know

With an enrollment of 121 students, St Mark 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 8.9:1, St Mark 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, St Mark 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

Beta

How St Mark School compares to 171 public schools serving similar grades in St. Louis, MO

Student-Teacher Ratio
8.9:1
This School
vs
13.3:1
Public Avg
Avg School Size
121
This School
vs
332
Public Avg
Avg School Scout Rating
8.2
This School
vs
5.9
Public Avg

Student Demographics

White 65.3% vs 0%
Asian 20.7% vs 0%
Hispanic 4.1% vs 0%
Black 2.5% vs 0%
St Mark School St. Louis Public Avg

Nearby Elementary Schools

School Rating
St Mark School (this school) 8.2
BIERBAUM ELEM. 5.2
FORDER ELEM. 6.8
BAYLESS JUNIOR HIGH 6.2
BAYLESS ELEMENTARY 5.9
MOSAIC ELEMENTARY 7.9
At Home Academy
MARGARET BUERKLE MIDDLE 5.5
MESNIER PRIMARY SCH. 4.5
DRESSEL ELEMENTARY SCHOOL 4.7
GOTSCH INTERMEDIATE SCH. 5.1
ROGERS MIDDLE 4.4
BEASLEY ELEM. 8.2
GATEWAY SCIENCE ACAD-SOUTH ELE 6.7
BERNARD MIDDLE 5.7
LYON AT BLOW ELEM. 7.2
JOHN CARY EARLY CHILDHOOD CTR. 5.7
BUSCH MS CHARACTER ATHLETICS 6.7
Woerner Elem 4.6
SAPPINGTON ELEM. 6.2
EDGAR ROAD ELEM. 8.9

Showing 20 of 171 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.

Classroom Attention
? Student-teacher ratio calibrated against other private schools. Lower ratios mean more individual attention. (30% of overall score)
A- 7.7 / 10
View breakdown
Student-Teacher Ratio 8.9:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
A- 7.7 / 10
View breakdown
School Day Length 7.2 hours
Annual Instructional Hours 1,260
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
A 9.2 / 10
View breakdown
Diversity Index 52%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
A- 8.3 / 10
View breakdown
Enrollment 121
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)

White 65.3%
Asian 20.7%
Two or More 6.6%
Hispanic 4.1%
Black 2.5%
Native American 0.8%

Source: NCES Private School Survey (PSS)

Location

4220 RIPA AVE, St. Louis, MO 63125

Nearby Alternatives

Families considering St Mark School may also want to explore other elementary schools in the area. BEASLEY ELEM. (rated 8.2/10, 2.8 miles away), with a very similar rating. Another option is MOSAIC ELEMENTARY (rated 7.9/10, 1.4 miles away), with a very similar rating. Additionally, SALEM LUTHERAN SCHOOL (rated 7.4/10, 1.7 miles away, in nearby Affton), with a comparable rating. For more schools in St. Louis, see our St. Louis schools guide .

Nearby Schools

20 within 3.0 mi
School Distance Rating
BIERBAUM ELEM. St. Louis 0.4 mi 5.2
GREEN PARK LUTHERAN SCHOOL St. Louis 0.7 mi 5.5
BAYLESS SENIOR HIGH St. Louis 1.2 mi 6.4
BAYLESS JUNIOR HIGH St. Louis 1.2 mi 6.2
BAYLESS ELEMENTARY St. Louis 1.3 mi 5.9
MOSAIC ELEMENTARY St. Louis 1.4 mi 7.9
FORDER ELEM. St. Louis 1.2 mi 6.8
At Home Academy St. Louis 1.5 mi
MEHLVILLE HIGH SCHOOL St. Louis 1.6 mi 6.0
SALEM LUTHERAN SCHOOL Affton 1.7 mi 7.4
HANCOCK PLACE MIDDLE Lemay 1.4 mi 7.6
HANCOCK SR. HIGH St. Louis 1.5 mi 5.9
MARGARET BUERKLE MIDDLE St. Louis 2.1 mi 5.5
AFFTON HIGH St. Louis 2.0 mi 3.7
HANCOCK PLACE ELEM. Lemay 1.8 mi 4.5
MESNIER PRIMARY SCH. St. Louis 2.2 mi 4.5
COR JESU ACADEMY St. Louis 2.2 mi 5.4
ROGERS MIDDLE St. Louis 2.7 mi 4.4
BEASLEY ELEM. St. Louis 2.8 mi 8.2
ST RAPHAEL THE ARCHANGEL SCHOOL St. Louis 3.0 mi 6.2

Neighborhood Census ACS (2019-2023)

Census data for ZIP 63125 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$59,683

Median Home Value

$166,200

Median Rent

$920/mo

Population

32,701

College Educated

22.1%

Homeownership

74%

Avg Commute

24 min

Poverty Rate

10.8%

Median Age

38.4

Community Profile

The community surrounding St Mark School has a median household income of $59,683. It is a community where 22% of adults hold a bachelor's degree or higher. The median home value in the area is $166,200, with a median rent of $920/month. The area has a poverty rate of 10.8%. The average commute for residents is 24 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
MIRIAM SCHOOL Webster Groves, MO 8.2
ORRICK ELEM. Orrick, MO 8.2
SKYLINE ELEM. Norwood, MO 8.2
THE WILSON SCHOOL Clayton, MO 8.2
ABIDING SAVIOR LUTHERAN SCHOOL St. Louis, MO 8.1
PILOT GROVE ELEM. Pilot Grove, MO 8.1

Frequently Asked Questions

Common questions about St Mark School

What grades does St Mark School serve?

St Mark School serves students in grades Pre-K through 8th.

How many students attend St Mark School?

St Mark School has an enrollment of approximately 121 students.

What is the student-teacher ratio at St Mark School?

The student-teacher ratio at St Mark School is 8.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does St Mark School rank in MO?

St Mark School is ranked #24 out of 399 private schools in MO.

What is St Mark School's MySchoolScout rating?

St Mark School has a composite rating of 8.2 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 St Mark School a private school?

Yes, St Mark School is a private coeducational school with a Roman Catholic affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.

Is St Mark School a religious school?

St Mark School has a Roman Catholic religious affiliation.

11 schools nearby View map →

Neighborhood Context

Walk Score
36 Car-Dependent
Transit Score
12 Minimal Transit
Bike Score
54 Bikeable
City Safety
High (7,108/100K)

Powered by Walk Score

FBI UCR 2024. City-level (St. Louis). Data >1 year old.

Quick Facts NCES PSS (SY 2021-22)

Grades
Pre-K – 8th
Enrollment
121
Gender Split
44% M / 56% F
Student-Teacher Ratio
8.9:1
Teachers (FTE)
14
Type
private
Coed Status
coed
Affiliation
Roman Catholic
School Day
7.2 hours
Days Per Year
175 days
Setting
Large Suburb
County
ST. LOUIS
Data Year
2022–2023

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.

Read our full methodology

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