St. Paul Lutheran School Photo

Best Catonsville Private Schools (2026)

For the 2026 school year, there are 8 private schools serving 1,392 students in Catonsville, MD (there are 10 public schools, serving 7,196 public students). 16% of all K-12 students in Catonsville, MD are educated in private schools (compared to the MD state average of 14%).
The top-ranked private schools in Catonsville, MD include St. Mark School, St. Paul Lutheran School, and Mount de Sales Academy.
The average acceptance rate is 94%, which is higher than the Maryland private school average acceptance rate of 80%.
75% of private schools in Catonsville, MD are religiously affiliated (most commonly Christian and Catholic).

Top-Ranked Catonsville Private Schools (2026)

School
Location
Quick Facts
Children's Home Diagnostic Center School
All-girls | Alternative School
205 Bloomsbury Ave
Catonsville, MD 21228
(410) 744-1083
Gr: 6-12 | 11 students
Mount de Sales Academy
Mount de Sales Academy Photo
All-girls (Catholic)
700 Academy Rd
Catonsville, MD 21228
(410) 744-8498
Gr: 9-12 | 466 students Avg. class size: 16 students Sports: 12 Tuition listed
St. Mark School
St. Mark School Photo
(Catholic)
(3)
26 Melvin Ave
Catonsville, MD 21228
(410) 744-6560
Gr: PK-8 | 364 students Avg. class size: 19 students Sports: 3 | Extracurrculars: 19 Tuition listed
St. Paul Lutheran School
St. Paul Lutheran School Photo - First Day of School 2024-2025.
(Lutheran Church Missouri Synod)
2001 Old Frederick Rd
Catonsville, MD 21228
(410) 747-1924
Gr: PK-5 | 130 students Avg. class size: 12 students Extracurrculars: 7 Tuition & acceptance rate listed
Emmanuel Lutheran School
(Christian)
929 Ingleside Ave
Catonsville, MD 21228
(410) 744-0015
Gr: K-8 | 128 students Avg. class size: 15 students Extracurrculars: 3 Acceptance rate listed
The Lamb Of God School
(Christian)
1810 Fairview Ave
Catonsville, MD 21228
(410) 242-4100
Gr: K-8 | 178 students
St. Timothys Day School
(Christian)
200 Ingleside Avenue
Catonsville, MD 21228
(410) 747-6558
Gr: PK-8 | 108 students
Watson Hall Montessori School
Montessori School
5820 Edmondson Ave
Catonsville, MD 21228
(443) 708-2926
Gr: K-6 | 7 students

Overview

This Town (Catonsville)
This State (MD)
# Schools
8 Schools

Student Body:

# Students
1,392 Students
143,563 Students
% Average Students of Color
41%
38%

Academics and Faculty:

# Teachers
125 Teachers
14,840 Teachers
Average Student-Teacher Ratio
11:1
10:1
% Average Faculty w/Advanced Degree
47%
56%
Average Class Size
16 students
16 students
Average Number of AP Courses
15 courses
13 courses

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$12,553
$16,211
Average Financial Aid Grant
$3,000
$6,310
Average Acceptance Rate
94%
80%

Students by Ethnicity:

0.51
0.66
# American Indian Students
n/a
360 Students
% American Indian Students
n/a
n/a
# Asian Students
13 Students
4,689 Students
% Asian Students
1%
3%
# Hispanic Students
30 Students
6,189 Students
% Hispanic Students
2%
4%
# Black Students
216 Students
23,479 Students
% Black Students
15%
17%
# White Students
970 Students
71,885 Students
% White Students
68%
50%
# Hawaiian Students
17 Students
548 Students
% Hawaiian Students
1%
1%
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
186 Students
35,854 Students
% of Others Students
13%
25%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
10 extracurriculars
10 extracurriculars
Average Number of Sports
8 sports
7 sports

Frequently Asked Questions

What are the top-ranked private schools in Catonsville, MD?
The top-ranked private schools in Catonsville, MD include St. Mark School, St. Paul Lutheran School, and Mount de Sales Academy.
How many private schools are located in Catonsville?
8 private schools are located in Catonsville.
How diverse are private schools in Catonsville?
Catonsville private schools are approximately 41% minority students, which is higher than the Maryland private school average of 38%.
What percentage of students in Catonsville go to private school?
16% of all K-12 students in Catonsville are educated in private schools (compared to the MD state average of 14%).
What percentage of private schools are religiously affiliated in Catonsville?
75% of private schools in Catonsville are religiously affiliated (most commonly Christian and Catholic).
Which private schools in Catonsville are often viewed compared to one another?
Popular comparisons of private schools in Catonsville include: Watson Hall Montessori School vs. St. Mark School

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