St. Mary Of The Assumption School (Top Ranked Private School for 2026-27)

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Quick Facts (2026-27)

Top Ranked MD School
Grades: Nursery/Preschool-8
Enrollment: 260 students
Yearly Tuition: $10,250
Acceptance rate: 50%
Average class size: 25 students
Application Deadline: Jan. 31
Source: ✓Verified school update

School Rankings

St. Mary Of The Assumption School ranks among the top 20% of private schools in Maryland for:

School Facts

Religious Affiliation

Catholic

Grades Offered

Grades Nursery/Preschool-8

Students By Grade

View Data

Distribution of Students By Grade
Grade	St. Mary Of The Assumption School
Pre-K	35
Kind	25
1	25
2	25
3	25
4	25
5	25
6	25
7	25
8	25

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ADD/ADHD Support

Yes

Learning Difference Programs

Yes

Learning Programs Supported

Students are considered on an individual basis

Year Founded

1925

School Calendar

View School Calendar

Student Body

Total Students

260 students

Student Body Type

Co-ed

% Students of Color

State avg.: 39%

Academic Profile

Total Classroom Teachers

24 teachers

Student-Teacher Ratio

11:1

National avg.: 11:1

% Faculty w/Advanced Degree

90%

Average Class Size

25 students

Classroom Dress Code

Formal

Uniform

List of Courses Offered

Link to List of Courses

School Membership(s)School Assoc.

National Catholic Educational Association (NCEA)
Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia)

Tuition & Financial Aid

Admission Deadline

Jan. 31

Yearly Tuition Cost

$10,250

View national tuition avg.

Tuition Notes

Grants offered for Catholic & multi-child families

% on Financial Aid

60%

Average Financial Aid Grant

$1,000

Acceptance Rate

50%

National avg.: 85%

Admissions Director

Robin Davis

Application URL

Online Application

Sports

Total Sports Offered

3 sports

Sports

BasketballSoccer

Track and Field

Extracurriculars

Total ExtracurricularsTotal Extra-curric.

3 extracurriculars

ExtracurricularsExtra-curric.

Club or Organization:

National Junior Honor SocietyRosary Club

Arts and Music Programs:

Choir

School Notes

St. Mary of the Assumption School is a coeducational Catholic elementary school founded by St. Mary of the Assumption Church in 1925, to serve the Catholic families of the greater Upper Marlboro area.This school is committed to the embodiment of the threefold educational mission of the Church: to teach the message of Jesus, to build Christian community, and to foster a concern for social justice.
This is accomplished through an instructional program dedicated to academic excellence and vibrant faith aimed at the development of the whole child; that is, one who is spiritually, intellectually, socially, emotionally, and physically mature.Data-Driven CurriculumTeachers at St. Mary of the Assumption use data from various assessments and classroom experiences to inform their planning and instructional approach.

We are committed to partnering with parents, the first and primary educators of children. Ideally, we support and enhance the educational process by providing technical assistance and sound pedagogy in appropriate ways. Our website serves as a comprehensive tool that features many of the wonderful facets of our school. One of the great joys of our school community is building relationships with parents and children. We encourage you to call and schedule a tour of our school environment.We look forward to meeting you!

Source: Verified school update

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Frequently Asked Questions

How much does St. Mary Of The Assumption School cost?

St. Mary Of The Assumption School's tuition is approximately $10,250 for private students.

What is the acceptance rate of St. Mary Of The Assumption School?

The acceptance rate of St. Mary Of The Assumption School is 50%, which is lower than the national average of 83%. St. Mary Of The Assumption School's acceptance rate is ranked among the top private schools in Maryland with low acceptance rates.

What sports does St. Mary Of The Assumption School offer?

St. Mary Of The Assumption School offers 3 interscholastic sports: Basketball, Soccer and Track and Field.

What is St. Mary Of The Assumption School's ranking?

St. Mary Of The Assumption School ranks among the top 20% of private schools in Maryland for: Lowest average acceptance rates, Highest percentage of faculty with advanced degrees and Oldest founding date.

When is the application deadline for St. Mary Of The Assumption School?

The application deadline for St. Mary Of The Assumption School is Jan. 31.

In what neighborhood is St. Mary Of The Assumption School located?

St. Mary Of The Assumption School is located in the Greater Upper Marlboro neighborhood of Upper Marlboro, MD. There are 2 other private schools located in Greater Upper Marlboro.

School Reviews

5.00 out of 5 (2 reviews)

5 8/5/2016

This is a very good school. The teachers and class size are great, and my kids are performing well above grade level. My kids were previously enrolled in a school in Arlington, but surprisingly this surpasses that school. I hope they keep it up.

- Posted by Parent - Cnfar

5 7/24/2015

I would highly recommend this school. It is a very tight-knit community where everyone is involved and looks out for each other. I am often amazed at what my daughter is being taught. The school offers a variety of activities to keep families engaged.

- Posted by Parent - Blgre

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Did You Know?

The average private school tuition in Upper Marlboro, MD is $11,205 for elementary schools (read more about average private school tuition across the country).