Maryland Private High Schools Belonging to Association of Independent Maryland and DC Schools (AIMS-MDDC)

For the 2026-27 school year, there are 37 private high schools belonging to Association of Independent Maryland and DC Schools (AIMS-MDDC) serving 22,493 students in Maryland. You can also find more schools membership associations in Maryland.
The top ranked private high schools belonging to Association of Independent Maryland and DC Schools (AIMS-MDDC) in Maryland include Calvert Hall College High School, Charles E Smith Jewish Day School, and Gilman School.
The average tuition cost is $31,913, which is higher than the Maryland private high school average tuition cost of $20,829.
38% of private high schools belonging to Association of Independent Maryland and DC Schools (AIMS-MDDC) in Maryland are religiously affiliated (most commonly Catholic and Friends).

Quick Facts (26-27)

  • # Private Schools: 37

Quick Facts (26-27)

  • # Private Schools: 37

Top Ranked Private High Schools Belonging to Association of Independent Maryland and DC Schools (AIMS-MDDC) in Maryland (2026-27)

Barrie School Photo
Gr: PK-12 | 421 students
Avg. class size: 15 students
Sports: 7 | Extracurriculars: 19
Montessori School
13500 Layhill Road
Silver Spring, MD 20906
(301) 576-2800
(4)
Bullis School Photo
Gr: K-12 | 1,099 students
Avg. class size: 15 students
Sports: 21
10601 Falls Rd
Potomac, MD 20854
(301) 299-8500
Glenelg Country School Photo
Gr: NS-12 | 849 students
Avg. class size: 14 students
Sports: 12 | Extracurriculars: 25
12793 Folly Quarter Road
Ellicott City, MD 21042
(410) 531-7347
(4)
The Gunston School Photo
Gr: 9-12 | 252 students
Avg. class size: 11 students
Sports: 11 | Extracurriculars: 18
911 Gunston Rd
Centreville, MD 21617
(410) 758-0620
(3)
Landon School Photo
Gr: 3-12 | 710 students
Avg. class size: 14 students
Sports: 22 | Extracurriculars: 27
All-boys
6101 Wilson Lane
Bethesda, MD 20817
(301) 320-1067
(6)
McLean School Photo
Gr: K-12 | 498 students
Avg. class size: 7 students
Sports: 14 | Extracurriculars: 16
8224 Lochinver Ln
Potomac, MD 20854
(240) 395-0698
(10)
Park School of Baltimore Photo
Gr: PK-12 | 788 students
Avg. class size: 15 students
Sports: 13 | Extracurriculars: 25
2425 Old Court Road
Pikesville, MD 21208
(410) 339-7070
(3)
Washington Waldorf School Photo
Gr: NS-12 | 263 students
Avg. class size: 18 students
Sports: 6 | Extracurriculars: 10
Waldorf School
4800 Sangamore Road
Bethesda, MD 20816
(301) 229-6107
(10)
Archbishop Spalding High School Photo
Gr: 9-12 | 1,286 students
Avg. class size: 20 students
Sports: 26 | Extracurriculars: 32
Catholic
8080 New Cut Road
Severn, MD 21144
(410) 969-9105
(1)
Bishop McNamara High School Photo
Gr: 9-12 | 894 students
Avg. class size: 18 students
Sports: 21 | Extracurriculars: 33
Catholic
6800 Marlboro Pike
District Heights, MD 20747
(301) 735-8401
(1)
Map of The Bryn Mawr School
Gr: PK-12 | 843 students
Avg. class size: 14 students
Sports: 16
All-girls
109 W Melrose Ave
Baltimore, MD 21210
(410) 323-8800
(1)
Calvert Hall College High School Photo
Gr: 9-12 | 1,172 students
Avg. class size: 21 students
Sports: 17
All-boys (Catholic)
8102 Lasalle Road
Towson, MD 21286
(443) 220-4666
(2)
Charles E Smith Jewish Day School Photo
Gr: PK-12 | 890 students
Avg. class size: 17 students
Sports: 13 | Extracurriculars: 26
Jewish
1901 E Jefferson Street
Rockville, MD 20852
(301) 692-4803
(8)
Connelly School Of The Holy Child Photo
Gr: 6-12 | 318 students
Avg. class size: 16 students
Sports: 14 | Extracurriculars: 19
All-girls (Catholic)
9029 Bradley Blvd
Potomac, MD 20854
(301) 365-0955
(1)
Friends Meeting School Photo
Gr: K-12 | 104 students
Avg. class size: 10 students
Sports: 5 | Extracurriculars: 8
Friends
3232 Green Valley Road
Ijamsville, MD 21754
(301) 798-0288
(10)
Garrison Forest School Photo
Gr: NS-12 | 512 students
Avg. class size: 15 students
Sports: 18 | Extracurriculars: 23
All-girls
300 Garrison Forest Road
Owings Mills, MD 21117
(410) 559-3111
(6)
Gerstell Academy Photo
Gr: PK-12 | 403 students
Avg. class size: 15 students
Sports: 7 | Extracurriculars: 7
2500 Old Westminster Pike
Finksburg, MD 21048
(410) 861-4400
(5)
Gilman School Photo
Gr: PK-12 | 1,050 students
Avg. class size: 16 students
Sports: 16 | Extracurriculars: 35
All-boys
5407 Roland Avenue
Baltimore, MD 21210
(410) 323-3800
Greenspring Montessori School Photo
Gr: NS-9 | 305 students
Avg. class size: 18 students
Extracurriculars: 8
Montessori School
10807 Tony Drive
Lutherville Timonium, MD 21093
(410) 321-8555
(7)
Map of Indian Creek School
Gr: PK-12 | 560 students
Avg. class size: 15 students
Sports: 13 | Extracurriculars: 11
1130 Anne Chambers Way
Crownsville, MD 21032
(410) 923-3660
(3)
Map of Jemicy School
Gr: 1-12 | 444 students
Avg. class size: 6 students
Sports: 10 | Extracurriculars: 15
11 Celadon Rd
Owings Mills, MD 21117
(410) 653-2700
John Carroll School Photo
Gr: 9-12 | 715 students
Avg. class size: 19 students
Sports: 23
Catholic
703 E Churchville Rd
Bel Air, MD 21014
(410) 838-8333
Key School Photo
Gr: NS-12 | 666 students
Avg. class size: 16 students
Sports: 12
534 Hillsmere Drive
Annapolis, MD 21403
(410) 263-9231
(7)
McDonogh School Photo
Gr: PK-12 | 1,444 students
Avg. class size: 16 students
Sports: 21 | Extracurriculars: 88
8600 McDonogh Rd
Owings Mills, MD 21117
(443) 544-7020
(3)
Mercy High School Photo
Gr: 9-12 | 444 students
Avg. class size: 22 students
Sports: 13 | Extracurriculars: 32
All-girls (Catholic)
1300 E Northern Pkwy
Baltimore, MD 21239
(410) 433-8880
(1)
Montessori School Of Westminster Photo
Gr: PK-9 | 165 students
Avg. class size: 20 students
Extracurriculars: 5
Montessori School
1055 Montessori Drive
Westminster, MD 21158
(410) 848-6283
(2)
Mount Saint Joseph High School Photo
Gr: 9-12 | 811 students
Avg. class size: 20 students
Sports: 17 | Extracurriculars: 66
All-boys (Catholic)
4403 Frederick Ave
Baltimore, MD 21229
(410) 644-3300
(1)
Notre Dame Preparatory School Photo
Gr: 6-12 | 823 students
Avg. class size: 16 students
Sports: 19 | Extracurriculars: 68
All-girls (Catholic)
815 Hampton Lane
Towson, MD 21286
(410) 825-6202
(2)
Oldfields School Photo
Gr: 8-12 | 35 students
Avg. class size: 5 students
Sports: 6 | Extracurriculars: 28
All-girls
1500 Glencoe Road
Sparks Glencoe, MD 21152
(443) 472-4800
(1)
Rochambeau-the French Intl School Photo
Gr: NS-12 | 1,291 students
Avg. class size: 20 students
Sports: 4 | Extracurriculars: 9
Specialized Curriculum
9600 Forest Road
Bethesda, MD 20814
(301) 530-8260
Saint James School Photo
Gr: 8-12 | 259 students
Avg. class size: 11 students
Sports: 14 | Extracurriculars: 34
Episcopal
17641 College Road
Hagerstown, MD 21740
(301) 733-9330
(1)
Map of St. Vincent Pallotti High School
Gr: 9-12 | 410 students
Avg. class size: 17 students
Sports: 16 | Extracurriculars: 24
Catholic
113 St Mary's Place
Laurel, MD 20707
(301) 725-3228
(2)
Sandy Spring Friends School Photo
Gr: PK-12 | 347 students
Avg. class size: 12 students
Sports: 12 | Extracurriculars: 11
Friends
16923 Norwood Road
Sandy Spring, MD 20860
(301) 774-7455
(5)
Stone Ridge School of the Sacred Heart Photo
Gr: PK-12 | 774 students
Avg. class size: 16 students
Sports: 16 | Extracurriculars: 8
All-girls (Catholic)
9101 Rockville Pike
Bethesda, MD 20814
(301) 657-4322
West Nottingham Academy Photo
Gr: 9-12 | 105 students
Avg. class size: 12 students
Sports: 10 | Extracurriculars: 9
1079 Firetower Road
Colora, MD 21917
(410) 658-9260
(5)
Show 2 more private schools in Maryland (out of 37 total schools)
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Frequently Asked Questions

What are the top ranked private high schools belonging to Association of Independent Maryland and DC Schools (AIMS-MDDC) in Maryland?
The top ranked private high schools belonging to Association of Independent Maryland and DC Schools (AIMS-MDDC) in Maryland include Calvert Hall College High School, Charles E Smith Jewish Day School, and Gilman School.
How many private high schools belonging to Association of Independent Maryland and DC Schools (AIMS-MDDC) are located in Maryland?
37 private high schools belonging to Association of Independent Maryland and DC Schools (AIMS-MDDC) are located in Maryland.
How much do private high schools belonging to Association of Independent Maryland and DC Schools (AIMS-MDDC) cost in Maryland?
The average tuition cost is $31,913, which is higher than the Maryland private school average tuition cost of $20,829.
How diverse are private high schools belonging to Association of Independent Maryland and DC Schools (AIMS-MDDC) in Maryland?
Maryland private high schools belonging to Association of Independent Maryland and DC Schools (AIMS-MDDC) are approximately 36% minority students, which is lower than the Maryland private school average of 37%.
What percentage of private high schools belonging to Association of Independent Maryland and DC Schools (AIMS-MDDC) are religiously affiliated in Maryland?
38% of private high schools belonging to Association of Independent Maryland and DC Schools (AIMS-MDDC) in Maryland are religiously affiliated (most commonly Catholic and Friends).

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