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Average

#209 of 389 private schools in MA

St John School

Elementary School

9 MOON ST, Boston, MA 21132

Private Estimated Score

Estimated academic score. This school does not have standardized test data. Based on 15 schools in Boston. Learn more

Enrollment

172

Student-Teacher

10.8:1

Score

6.1

Grades

Pre-K – 8th

Updated 2021-22

How this school compares

In Boston

#13 of 15

public schools

Massachusetts elementary schools

#86 of 200

About St John School

ST John School is a public elementary school located in Boston, Massachusetts. Serving students from pre-kindergarten through eighth grade, the school has an enrollment of 172 students and maintains a student-to-teacher ratio of 10.8:1, ensuring personalized attention for each child. With 16 full-time equivalent teachers, ST John School focuses on providing a supportive educational environment.

While specific academic test scores are not available, the school's MySchoolScout rating of 2.4 out of 10 and its state ranking of #4 out of 389 schools in Massachusetts suggest there is room for improvement in terms of academic performance. However, this also indicates opportunities for growth and development within the educational framework. ST John School is situated in a large city setting, surrounded by diverse cultural and community resources that enrich the learning experience for its students.

The school's location in Boston offers unique advantages, such as access to museums, libraries, and other educational programs that complement classroom instruction. Overall, ST John School provides an important educational presence within the heart of Boston, fostering a nurturing environment where students can grow and thrive.

What Parents Should Know

With an enrollment of 172 students, St John 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.

As a private school, St John 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 John School compares to 11 public schools serving similar grades in Boston, MA

Student-Teacher Ratio
10.8:1
This School
vs
11.3:1
Public Avg
Avg School Size
172
This School
vs
697
Public Avg
Avg School Scout Rating
6.1
This School
vs
7.0
Public Avg

Student Demographics

White 76.2% vs 0%
Hispanic 5.2% vs 0%
Asian 2.9% vs 0%
Black 1.7% vs 0%
St John School Boston Public Avg

Nearby Elementary Schools

School Rating
St John School (this school) 6.1
Eliot K-8 Innovation School 9.6
Quincy Elementary School 9.2
Quincy Upper School 8.4
Melvin H. King South End Academy 6.7
Blackstone Elementary School 5.7
Hurley K-8 School 6.1
Dudley Street Neighborhood Charter School 5.0
Boston Latin School 7.4
MATCH Charter Public School 4.9
Helen Y. Davis Leadership Academy Charter Public School 7.8
UP Academy Charter School of Dorchester 6.4

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 MA.

Classroom Attention
? Student-teacher ratio calibrated against other private schools. Lower ratios mean more individual attention. (30% of overall score)
C+ 4.3 / 10
View breakdown
Student-Teacher Ratio 10.8:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
A- 8.0 / 10
View breakdown
School Day Length 7 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)
B 6.0 / 10
View breakdown
Diversity Index 40%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
A- 8.0 / 10
View breakdown
Enrollment 172
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 MA

Test Scores

Test score data not yet available for this school.

Student Demographics NCES PSS (SY 2021-22)

White 76.2%
Two or More 13.4%
Hispanic 5.2%
Asian 2.9%
Black 1.7%
Pacific Islander 0.6%

Source: NCES Private School Survey (PSS)

Location

9 MOON ST, Boston, MA 21132

Nearby Alternatives

Families considering St John School may also want to explore other elementary schools in the area. Eliot K-8 Innovation School (rated 9.6/10, 0.1 miles away), which scores notably higher. Another option is Warren-Prescott K-8 School (rated 9.3/10, 1.1 miles away, in nearby Charlestown), which scores notably higher. Additionally, Quincy Elementary School (rated 9.2/10, 1.3 miles away), which scores notably higher. For more schools in Boston, see our Boston schools guide .

Nearby Schools

20 within 1.4 mi
School Distance Rating
Eliot K-8 Innovation School Boston 0.1 mi 9.6
Harvard-Kent Elementary School Charlestown 0.9 mi 8.3
EAST BOSTON CENTRAL CATHOLIC SCHOOL East Boston 0.8 mi 6.1
Alighieri Dante Montessori School East Boston 0.9 mi 8.8
Adams Elementary School East Boston 0.9 mi 7.7
Charlestown High School Charlestown 1.2 mi 5.1
Warren-Prescott K-8 School Charlestown 1.1 mi 9.3
Mario Umana Academy East Boston 1.2 mi 5.8
McKay K-8 School East Boston 1.0 mi 5.0
East Boston Early Education Center East Boston 1.0 mi 7.2
THE ADVENT SCHOOL Boston 1.1 mi 8.0
Quincy Elementary School Boston 1.3 mi 9.2
O'Donnell Elementary School East Boston 1.2 mi 7.0
PARK STREET SCHOOL Boston 1.1 mi 6.5
Boston Adult Tech Academy Back Bay 1.3 mi 7.6
Otis Elementary School East Boston 1.2 mi 8.5
Quincy Upper School Boston 1.4 mi 8.4
East Boston High School East Boston 1.5 mi 5.0
Condon K-8 School South Boston 1.8 mi 4.6
LEARNING PROJECT ELEMENTARY SCHOOL Boston 1.4 mi 8.1

Neighborhood Census ACS (2019-2023)

Census data for ZIP 21132 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$150,119

Median Home Value

$511,500

Population

2,904

College Educated

34.6%

Homeownership

98%

Avg Commute

37.8 min

Poverty Rate

4.5%

Median Age

41.9

Community Profile

The community surrounding St John School has a median household income of $150,119. It is an area where 35% of adults hold a bachelor's degree or higher. The median home value in the area is $511,500. The local poverty rate of 4.5% is relatively low. The average commute in the area is 38 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
EAST BOSTON CENTRAL CATHOLIC SCHOOL East Boston, MA 6.1
Streiber Memorial School Chicopee, MA 6.1
TRINITY CATHOLIC ACADEMY Southbridge, MA 6.1
Aborn Lynn, MA 6.0
Belcher Chicopee, MA 6.0
Conway Grammar Conway, MA 6.0

Frequently Asked Questions

Common questions about St John School

What grades does St John School serve?

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

How many students attend St John School?

St John School has an enrollment of approximately 172 students.

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

The student-teacher ratio at St John School is 10.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does St John School rank in MA?

St John School is ranked #209 out of 389 private schools in MA.

What is St John School's MySchoolScout rating?

St John School has a composite rating of 6.1 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 John School a private school?

Yes, St John 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 John School a religious school?

St John School has a Roman Catholic religious affiliation.

11 schools nearby View map →

Neighborhood Context

City Safety
High (2,653/100K)

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

Quick Facts NCES PSS (SY 2021-22)

Grades
Pre-K – 8th
Enrollment
172
Gender Split
52% M / 48% F
Student-Teacher Ratio
10.8:1
Teachers (FTE)
16
Type
private
Coed Status
coed
Affiliation
Roman Catholic
School Day
7 hours
Days Per Year
180 days
Setting
Large City
County
SUFFOLK
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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