For the 2025-26 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 (2025-26)
School
Location
Quick Facts
Children's Home Diagnostic Center School
All-girls | Alternative School
205 Bloomsbury Ave
Catonsville, MD 21228
(410) 744-1083
Catonsville, MD 21228
(410) 744-1083
Gr: 6-12 | 11 students
Mount de Sales Academy![Mount de Sales Academy Photo]( "Mount de Sales Academy Photo")
All-girls (Catholic)
700 Academy Rd
Catonsville, MD 21228
(410) 744-8498
Catonsville, MD 21228
(410) 744-8498
Gr: 9-12 | 466 students Avg. class size: 16 students Sports: 12 Tuition listed
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).
Recent Articles
Transferring from Public to Private School Mid-Year: What to Expect
Considering a mid-year transfer from public to private school? Learn what to expect with admissions, academic placement, social adjustment, and financial aid to ensure a smooth transition.
A Guide to Day vs. Boarding School: Which Is Right for Your Family
Discover the key differences between day and boarding schools to determine the best fit for your child. Explore benefits, costs, lifestyle factors, and questions to help guide your family’s decision.
The A to Z of Private Schools 2025
Explore the A to Z of private schools in 2025—from admissions to tuition—offering parents and educators clear insights into today’s options.