For the 2025-26 school year, there are 35 private schools belonging to AIMSMDDC (Assoc. of independent Maryland and DC Schools) serving 16,841 students in Maryland. You can also find more schools membership associations in Maryland.
The top ranked private schools belonging to AIMSMDDC (Assoc. of independent Maryland and DC Schools) in Maryland include The Bryn Mawr School, Gilman School, and Landon School.
The average tuition cost is $32,028, which is higher than the Maryland private school average tuition cost of $16,554.
Top Ranked Private 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
8821 River Road
Bethesda, MD 20817
(301) 365-2595
Bethesda, MD 20817
(301) 365-2595
Gr: PK-8 | 453 students Avg. class size: 10 students Sports: 15 | Extracurrculars: 15 Tuition & acceptance rate listed
9130 Frederick Road
Ellicott City, MD 21042
(410) 465-7644
Ellicott City, MD 21042
(410) 465-7644
Gr: NS-5 | 351 students Avg. class size: 16 students Extracurrculars: 5 Tuition & acceptance rate listed
3427 Olney Laytonsville Road
Olney, MD 20832
(301) 774-6804
Olney, MD 20832
(301) 774-6804
Gr: PK-8 | 179 students Avg. class size: 18 students Sports: 4 | Extracurrculars: 5 Tuition & acceptance rate 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
109 S. Washington Street
Rockville, MD 20850
(301) 424-6550
Rockville, MD 20850
(301) 424-6550
Gr: NS-8 | 117 students Avg. class size: 10 students Sports: 4 | Extracurrculars: 3 Tuition & acceptance rate 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: 15 students Sports: 18 | Extracurrculars: 35 Tuition & acceptance rate listed
Holy Trinity: An Episcopal School![Holy Trinity: An Episcopal School Photo - Holy Trinity: An Episcopal School Class of 2020 Holy Trinity: An Episcopal School Photo - Holy Trinity: An Episcopal School Class of 2020]()

(Episcopal)
11902 Daisy Ln
Glenn Dale, MD 20769
(301) 464-3215
Glenn Dale, MD 20769
(301) 464-3215
Gr: PK-8 | 433 students Avg. class size: 20 students Sports: 6 | Extracurrculars: 6 Tuition & acceptance rate listed
Holy Trinity: An Episcopal School![Holy Trinity: An Episcopal School Photo - Holy Trinity: An Episcopal School...where students establish a love of learning! Holy Trinity: An Episcopal School Photo - Holy Trinity: An Episcopal School...where students establish a love of learning!]()

(Episcopal)
13106 Annapolis Rd
Bowie, MD 20720
(301) 464-3215
Bowie, MD 20720
(301) 464-3215
Gr: PK-8 | 425 students Sports: 6 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
7300 River Road
Bethesda, MD 20817
(301) 365-4355
Bethesda, MD 20817
(301) 365-4355
Gr: PK-2 | 144 students Avg. class size: 17 students Tuition & acceptance rate 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
Sandy Spring Friends School![Sandy Spring Friends School Photo - Men's Varsity Soccer Tournament victory Sandy Spring Friends School Photo - Men's Varsity Soccer Tournament victory]()

(Friends)
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
4985 Ilchester Rd
Ellicott City, MD 21043
(410) 744-1524
Ellicott City, MD 21043
(410) 744-1524
Gr: PK-8 | 253 students Avg. class size: 17 students Sports: 5 | Extracurrculars: 7 Tuition & acceptance rate listed
5600 Little Falls Pkwy
Bethesda, MD 20816
(301) 652-7878
Bethesda, MD 20816
(301) 652-7878
Gr: NS-8 | 346 students Avg. class size: 16 students Sports: 5 | Extracurrculars: 12 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
6801 Greentree Road
Bethesda, MD 20817
(301) 365-3080
Bethesda, MD 20817
(301) 365-3080
Gr: PK-8 | 329 students Avg. class size: 15 students Sports: 9 | Extracurrculars: 6 Tuition & acceptance rate listed
9312 Old Georgetown Road
Bethesda, MD 20814
(301) 299-4602
Bethesda, MD 20814
(301) 299-4602
Gr: K-8 | 81 students Avg. class size: 8 students Tuition listed
Grace Episcopal Day School![Grace Episcopal Day School Photo - block building Grace Episcopal Day School Photo - block building]()

(Episcopal)
9411 Connecticut Avenue
Kensington, MD 20895
(240) 292-5237
Kensington, MD 20895
(240) 292-5237
Gr: NS-5 | 97 students Avg. class size: 12 students Tuition & acceptance rate listed
The Highlands School
Special Education School
2409 Creswell Rd
Bel Air, MD 21015
(410) 836-1415
Bel Air, MD 21015
(410) 836-1415
Gr: PK-8 | 69 students Avg. class size: 12 students Sports: 4 | Extracurrculars: 6 Tuition & acceptance rate listed
The Odyssey School![The Odyssey School Photo The Odyssey School Photo]()

Special Education School
3257 Bridle Ridge Lane
Lutherville Timonium, MD 21093
(410) 580-5551
Lutherville Timonium, MD 21093
(410) 580-5551
Gr: K-8 | 170 students Avg. class size: 9 students Sports: 5 | Extracurrculars: 8 Tuition listed
St. Ignatius Loyola Academy![St. Ignatius Loyola Academy Photo - All students participate in community service throughout the year St. Ignatius Loyola Academy Photo - All students participate in community service throughout the year]()

All-boys (Catholic)
300 E. Gittings St.
Baltimore, MD 21230
(410) 539-8268
Baltimore, MD 21230
(410) 539-8268
Gr: 5-8 | 120 students Avg. class size: 15 students Sports: 10 | Extracurrculars: 6 Tuition & acceptance rate listed
4801 Tamarind Road
Baltimore, MD 21209
(410) 367-6808
Baltimore, MD 21209
(410) 367-6808
Gr: PK-8 | 205 students Avg. class size: 16 students Sports: 2 | Extracurrculars: 7 Tuition listed
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