Skip to main content

Average

#455 of 872 private schools in PA

St Thomas the Apostle School

Elementary School

430 VALLEYBROOK RD, Glen Mills, PA 19342

Private Estimated Score

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

Enrollment

278

Student-Teacher

10.7:1

Score

6.4

Grades

Pre-K – 8th

Updated 2021-22

How this school compares

Pennsylvania elementary schools

#195 of 368

About St Thomas the Apostle School

ST Thomas the Apostle School is a public elementary school located in Glen Mills, Delaware County, Pennsylvania. Serving students from pre-kindergarten through eighth grade, the school has an enrollment of 278 students and maintains a student-teacher ratio of 10.7:1 with 26 full-time equivalent teachers. Despite not having specific test score data available, ST Thomas the Apostle School holds a MySchoolScout rating of 4.3 out of 10 and ranks as the 99th percentile among Pennsylvania schools, placing it at number 10 out of 872 schools in the state.

The school is situated in a large suburban area that offers a vibrant community setting for students to learn and grow. With its dedicated staff and supportive environment, ST Thomas the Apostle School provides a strong foundation for young learners in Glen Mills.

What Parents Should Know

As a private school, St Thomas the Apostle 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 Thomas the Apostle School compares to the 4 public schools in Glen Mills, PA

Student-Teacher Ratio
10.7:1
This School
vs
11.8:1
Public Avg
Avg School Size
278
This School
vs
975
Public Avg
Avg School Scout Rating
6.4
This School
vs
8.3
Public Avg

Student Demographics

White 98.6% vs 0%
Black 0.7% vs 0%
Hispanic 0.7% vs 0%
St Thomas the Apostle School Glen Mills Public Avg

All Schools in Glen Mills

School Rating
St Thomas the Apostle School (this school) 6.4
Garnet Valley HS 9.0
Garnet Valley El Sch 8.1
Garnet Valley MS 8.1
Concord El Sch 8.0

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 PA.

Classroom Attention
? Student-teacher ratio calibrated against other private schools. Lower ratios mean more individual attention. (30% of overall score)
B 6.1 / 10
View breakdown
Student-Teacher Ratio 10.7:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
A 8.6 / 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)
C+ 3.7 / 10
View breakdown
Diversity Index 3%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
A- 8.4 / 10
View breakdown
Enrollment 278
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 PA

Test Scores

Test score data not yet available for this school.

Student Demographics NCES PSS (SY 2021-22)

White 98.6%
Black 0.7%
Hispanic 0.7%

Source: NCES Private School Survey (PSS)

Location

430 VALLEYBROOK RD, Glen Mills, PA 19342

Nearby Alternatives

Families considering St Thomas the Apostle School may also want to explore other elementary schools in the area. Hilltop El Sch (rated 9.3/10, 3.4 miles away, in nearby Aston), which scores notably higher. Another option is Garnet Valley El Sch (rated 8.1/10, 2.5 miles away), which scores notably higher. Additionally, Concord El Sch (rated 8.0/10, 2.6 miles away), which scores notably higher. For more schools in Glen Mills, see our Glen Mills schools guide .

Nearby Schools

20 within 3.7 mi
School Distance Rating
Delaware County Technical High School - Aston Aston 1.2 mi
Glenwood El Sch Media 2.0 mi 7.2
Aston El Sch Aston 2.1 mi 5.0
Garnet Valley HS Glen Mills 2.3 mi 9.0
THE MALVERN SCHOOL Glen Mills 2.5 mi
Garnet Valley El Sch Glen Mills 2.5 mi 8.1
EASTER SEALS OF SOUTHEASTERN PA Media 2.9 mi
Garnet Valley MS Glen Mills 2.6 mi 8.1
Concord El Sch Glen Mills 2.6 mi 8.0
Bethel Springs El Sch Garnet Valley 3.2 mi 7.8
MIDDLETOWN MONTESSORI SCHOOL Media 3.3 mi
KINDERCARE LEARNING CENTER Aston 2.9 mi
Pennell El Sch Aston 3.0 mi 4.6
Penncrest HS Media 3.2 mi 7.5
Hilltop El Sch Aston 3.4 mi 9.3
MEDIA CHILDREN'S HOUSE MONTESSORI SCHOOL Aston 3.2 mi
HOLY FAMILY REGIONAL CATHOLIC SCHOOL Aston 3.3 mi 5.5
Chichester SHS Boothwyn 4.0 mi 5.2
DAVIDSON SCHOOL Elwyn 3.6 mi 7.8
Sun Valley HS Aston 3.7 mi 5.7

Neighborhood Census ACS (2019-2023)

Census data for ZIP 19342 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$136,647

Median Home Value

$579,400

Median Rent

$2,298/mo

Population

20,654

College Educated

55.4%

Homeownership

72.4%

Avg Commute

27.7 min

Poverty Rate

2.1%

Median Age

46.7

Community Profile

The community surrounding St Thomas the Apostle School has a median household income of $136,647. It is a well-educated community where 55% of adults hold a bachelor's degree or higher. The median home value in the area is $579,400, with a median rent of $2,298/month. The local poverty rate of 2.1% is relatively low. The average commute for residents is 28 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
Blankenburg Rudolph Sch Philadelphia, PA 6.4
CORPUS CHRISTI SCHOOL Chambersburg, PA 6.4
Curtisville Pri Ctr Tarentum, PA 6.4
First District El Sch Meadville, PA 6.4
Guilford Hills El Sch Chambersburg, PA 6.4
HOLY FAMILY ACADEMY Hazleton, PA 6.4

Frequently Asked Questions

Common questions about St Thomas the Apostle School

What grades does St Thomas the Apostle School serve?

St Thomas the Apostle School serves students in grades Pre-K through 8th.

How many students attend St Thomas the Apostle School?

St Thomas the Apostle School has an enrollment of approximately 278 students.

What is the student-teacher ratio at St Thomas the Apostle School?

The student-teacher ratio at St Thomas the Apostle School is 10.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does St Thomas the Apostle School rank in PA?

St Thomas the Apostle School is ranked #455 out of 872 private schools in PA.

What is St Thomas the Apostle School's MySchoolScout rating?

St Thomas the Apostle School has a composite rating of 6.4 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 Thomas the Apostle School a private school?

Yes, St Thomas the Apostle 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 Thomas the Apostle School a religious school?

St Thomas the Apostle School has a Roman Catholic religious affiliation.

11 schools nearby View map →

Quick Facts NCES PSS (SY 2021-22)

Grades
Pre-K – 8th
Enrollment
278
Gender Split
55% M / 45% F
Student-Teacher Ratio
10.7:1
Teachers (FTE)
26
Type
private
Coed Status
coed
Affiliation
Roman Catholic
School Day
7 hours
Days Per Year
180 days
Setting
Large Suburb
County
DELAWARE
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

Related reading

Get school insights in your inbox

New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.

We respect your privacy. Unsubscribe at any time.