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Mount de Sales Academy Photo

Best Catonsville Private High Schools (2026)

For the 2026 school year, there are 2 private high schools serving 477 students in Catonsville, MD.
The top-ranked private high schools in Catonsville, MD include Mount de Sales Academy and Children's Home Diagnostic Center School.
50% of private high schools in Catonsville, MD are religiously affiliated (most commonly Catholic).

Top-Ranked Catonsville Private High 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

Overview

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

Student Body:

# Students
477 Students
73,500 Students
% Average Students of Color
26%
36%

Academics and Faculty:

# Teachers
48 Teachers
8,579 Teachers
Average Student-Teacher Ratio
10:1
9:1
Average Class Size
16 students
15 students
Average Number of AP Courses
15 courses
13 courses

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$19,850
$20,408
Average Financial Aid Grant
$3,000
$9,481

Students by Ethnicity:

0.09
0.60
# American Indian Students
n/a
246 Students
% American Indian Students
n/a
n/a
# Asian Students
n/a
2,593 Students
% Asian Students
n/a
4%
# Hispanic Students
17 Students
3,308 Students
% Hispanic Students
3%
5%
# Black Students
8 Students
12,752 Students
% Black Students
2%
17%
# White Students
492 Students
43,528 Students
% White Students
95%
59%
# Hawaiian Students
n/a
300 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
n/a
11,376 Students
% of Others Students
n/a
15%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Sports
12 sports
10 sports

Frequently Asked Questions

What are the top-ranked private high schools in Catonsville, MD?
The top-ranked private high schools in Catonsville, MD include Mount de Sales Academy and Children's Home Diagnostic Center School.
How many private high schools are located in Catonsville?
2 private high schools are located in Catonsville.
What percentage of private high schools are religiously affiliated in Catonsville?
50% of private high schools in Catonsville are religiously affiliated (most commonly Catholic).

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