For the 2025-26 school year, there are 19 private high schools belonging to AIMSMDDC (Assoc. of independent Maryland and DC Schools) serving 13,069 students in Maryland. You can also find more schools membership associations in Maryland.
The top ranked private high schools belonging to AIMSMDDC (Assoc. of independent Maryland and DC Schools) in Maryland include Gilman School, Stone Ridge School of the Sacred Heart, and The Bryn Mawr School.
The average tuition cost is $35,232, which is higher than the Maryland private high school average tuition cost of $20,331.
Top Ranked ²ÝÁñÉçÇø High Schools Belonging to AIMSMDDC (Assoc. of independent Maryland and DC Schools) in Maryland (2025-26)
School
Location
Quick Facts
13500 Layhill Road
Silver Spring, MD 20906
(301) 576-2800
Silver Spring, MD 20906
(301) 576-2800
Gr: PK-12 | 421 students Avg. class size: 15 students Sports: 7 | Extracurrculars: 19 Tuition & acceptance rate listed
10601 Falls Rd
Potomac, MD 20854
(301) 299-8500
Potomac, MD 20854
(301) 299-8500
Gr: K-12 | 1,022 student Avg. class size: 15 students Sports: 21 Tuition listed
12793 Folly Quarter Road
Ellicott City, MD 21042
(410) 531-7347
Ellicott City, MD 21042
(410) 531-7347
Gr: NS-12 | 832 students Avg. class size: 14 students Sports: 13 | Extracurrculars: 28 Tuition & acceptance rate listed
6101 Wilson Lane
Bethesda, MD 20817
(301) 320-1067
Bethesda, MD 20817
(301) 320-1067
Gr: 3-12 | 710 students Avg. class size: 14 students Sports: 22 | Extracurrculars: 27 Tuition listed
109 W Melrose Ave
Baltimore, MD 21210
(410) 323-8800
Baltimore, MD 21210
(410) 323-8800
Gr: PK-12 | 788 students Avg. class size: 14 students Sports: 17 Tuition & acceptance rate listed
1901 E Jefferson Street
Rockville, MD 20852
(301) 692-4803
Rockville, MD 20852
(301) 692-4803
Gr: PK-12 | 890 students Avg. class size: 17 students Sports: 13 | Extracurrculars: 26 Tuition listed
9029 Bradley Blvd
Potomac, MD 20854
(301) 365-0955
Potomac, MD 20854
(301) 365-0955
Gr: 6-12 | 318 students Avg. class size: 16 students Sports: 14 | Extracurrculars: 19 Tuition listed
3232 Green Valley Road
Ijamsville, MD 21754
(301) 798-0288
Ijamsville, MD 21754
(301) 798-0288
Gr: K-12 | 104 students Avg. class size: 10 students Sports: 5 | Extracurrculars: 8 Tuition & acceptance rate listed
300 Garrison Forest Road
Owings Mills, MD 21117
(410) 559-3111
Owings Mills, MD 21117
(410) 559-3111
Gr: NS-12 | 550 students Avg. class size: 15 students Sports: 18 | Extracurrculars: 23 Tuition listed
Gilman School![Gilman School Photo - Gilman's Upper School prepares young men to build the world of tomorrow. Students engage in a timeless and challenging college-preparatory program that emphasizes a strong work ethic, critical thinking skills, effective oral and written communication, and lifelong enjoyment of intellectual pursuits.]( "Gilman School Photo - Gilman's Upper School prepares young men to build the world of tomorrow. Students engage in a timeless and challenging college-preparatory program that emphasizes a strong work ethic, critical thinking skills, effective oral and written communication, and lifelong enjoyment of intellectual pursuits.")
All-boys
5407 Roland Avenue
Baltimore, MD 21210
(410) 323-3800
Baltimore, MD 21210
(410) 323-3800
Gr: PK-12 | 1,035 student Avg. class size: 16 students Sports: 18 | Extracurrculars: 35 Tuition listed
1130 Anne Chambers Way
Crownsville, MD 21032
(410) 923-3660
Crownsville, MD 21032
(410) 923-3660
Gr: PK-12 | 560 students Avg. class size: 15 students Sports: 13 | Extracurrculars: 11 Tuition & acceptance rate listed
11 Celadon Rd
Owings Mills, MD 21117
(410) 653-2700
Owings Mills, MD 21117
(410) 653-2700
Gr: 1-12 | 453 students Avg. class size: 6 students Sports: 11 | Extracurrculars: 16 Tuition & acceptance rate listed
John Carroll School![John Carroll School Photo - Our 72-acre campus, located in Harford County]( "John Carroll School Photo - Our 72-acre campus, located in Harford County")
(Catholic)
703 E Churchville Rd
Bel Air, MD 21014
(410) 838-8333
Bel Air, MD 21014
(410) 838-8333
Gr: 9-12 | 715 students Avg. class size: 19 students Sports: 23 Tuition & acceptance rate listed
8600 McDonogh Rd
Owings Mills, MD 21117
(443) 544-7020
Owings Mills, MD 21117
(443) 544-7020
Gr: PK-12 | 1,458 student Avg. class size: 16 students Sports: 21 | Extracurrculars: 88 Tuition listed
4403 Frederick Ave
Baltimore, MD 21229
(410) 644-3300
Baltimore, MD 21229
(410) 644-3300
Gr: 9-12 | 811 students Avg. class size: 20 students Sports: 17 | Extracurrculars: 66 Tuition listed
Rochambeau-the French Intl School![Rochambeau-the French Intl School Photo]( "Rochambeau-the French Intl School Photo")
Special Program Emphasis
9600 Forest Road
Bethesda, MD 20814
(301) 530-8260
Bethesda, MD 20814
(301) 530-8260
Gr: PK-12 | 1,114 student Avg. class size: 20 students Sports: 4 | Extracurrculars: 9 Tuition listed
16923 Norwood Road
Sandy Spring, MD 20860
(301) 774-7455
Sandy Spring, MD 20860
(301) 774-7455
Gr: PK-12 | 374 students Avg. class size: 12 students Sports: 12 | Extracurrculars: 11 Tuition listed
Stone Ridge School of the Sacred Heart![Stone Ridge School of the Sacred Heart Photo - Stone Ridge School of the Sacred Heart - Hamilton House]( "Stone Ridge School of the Sacred Heart Photo - Stone Ridge School of the Sacred Heart - Hamilton House")
All-girls (Catholic)
9101 Rockville Pike
Bethesda, MD 20814
(301) 657-4322
Bethesda, MD 20814
(301) 657-4322
Gr: PK-12 | 809 students Avg. class size: 16 students Sports: 15 Tuition & acceptance rate listed
1079 Firetower Road
Colora, MD 21917
(410) 658-9260
Colora, MD 21917
(410) 658-9260
Gr: 9-12 | 105 students Avg. class size: 12 students Sports: 10 | Extracurrculars: 9 Tuition & acceptance rate listed
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