For the 2025-26 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 Mount de Sales Academy, St. Mark School, and Children's Home Diagnostic Center School.
The average acceptance rate is 94%, which is higher than the Maryland private school average acceptance rate of 78%.
Top Ranked Catonsville Private 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
26 Melvin Ave
Catonsville, MD 21228
(410) 744-6560
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.]( "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
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
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
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
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
Catonsville, MD 21228
(443) 708-2926
Gr: K-6 | 7 students
Frequently Asked Questions
What are the top ranked private schools in Catonsville, MD?
The top ranked private schools in Catonsville, MD include Mount de Sales Academy, St. Mark School, and Children's Home Diagnostic Center School.
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?
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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