For the 2025-26 school year, there are 40 private high schools belonging to National Association of Independent Schools (NAIS) serving 19,626 students in Maryland. You can also find more schools membership associations in Maryland.
The top ranked private high schools belonging to National Association of Independent Schools (NAIS) in Maryland include The Bryn Mawr School, Gilman School, and Landon School.
The average tuition cost is $36,754, which is higher than the Maryland private high school average tuition cost of $20,633.
Top Ranked Private High Schools Belonging to National Association of Independent Schools (NAIS) 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
911 Gunston Rd
Centreville, MD 21617
(410) 758-0620
Centreville, MD 21617
(410) 758-0620
Gr: 9-12 | 255 students Avg. class size: 11 students Sports: 11 | Extracurrculars: 18 Tuition & acceptance rate listed
534 Hillsmere Drive
Annapolis, MD 21403
(410) 263-9231
Annapolis, MD 21403
(410) 263-9231
Gr: NS-12 | 650 students Avg. class size: 16 students Sports: 16 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
8224 Lochinver Ln
Potomac, MD 20854
(240) 395-0698
Potomac, MD 20854
(240) 395-0698
Gr: K-12 | 498 students Avg. class size: 7 students Sports: 14 | Extracurrculars: 16 Tuition & acceptance rate listed
2425 Old Court Road
Pikesville, MD 21208
(410) 339-7070
Pikesville, MD 21208
(410) 339-7070
Gr: PK-12 | 826 students Avg. class size: 15 students Sports: 11 | Extracurrculars: 9 Tuition & acceptance rate listed
Roland Park Country School![Roland Park Country School Photo - What makes RPCS such an empowering school? The unique relationships created between students from K-12. From our kindergarten and 1st graders being paired and performing with our Upper School singing and dancing groups, to Upper School STEM classes hosting probability carnivals for Lower School, or Middle School students speaking to Lower School, we treasure and nurture these bonds.]( "Roland Park Country School Photo - What makes RPCS such an empowering school? The unique relationships created between students from K-12. From our kindergarten and 1st graders being paired and performing with our Upper School singing and dancing groups, to Upper School STEM classes hosting probability carnivals for Lower School, or Middle School students speaking to Lower School, we treasure and nurture these bonds.")
All-girls
5204 Roland Avenue
Baltimore, MD 21210
(410) 323-5500
Baltimore, MD 21210
(410) 323-5500
Gr: K-12 | 620 students Avg. class size: 15 students Sports: 15 | Extracurrculars: 11 Tuition & acceptance rate listed
6800 Marlboro Pike
District Heights, MD 20747
(301) 735-8401
District Heights, MD 20747
(301) 735-8401
Gr: 9-12 | 894 students Avg. class size: 18 students Sports: 20 | Extracurrculars: 33 Tuition & acceptance rate listed
Boys Latin School Of Maryland![Boys Latin School Of Maryland Photo - Inspiring the best in every boy ... Boys' Latin School]( "Boys Latin School Of Maryland Photo - Inspiring the best in every boy ... Boys' Latin School")
All-boys
822 W Lake Ave
Baltimore, MD 21210
(410) 377-5192
Baltimore, MD 21210
(410) 377-5192
Gr: K-12 | 625 students Avg. class size: 14 students Sports: 12 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
300 Calverton School Rd
Huntingtown, MD 20639
(410) 535-0216
Huntingtown, MD 20639
(410) 535-0216
Gr: PK-12 | 335 students Avg. class size: 15 students Sports: 9 | Extracurrculars: 24 Tuition & acceptance rate listed
The Catholic High School Of Baltimore![The Catholic High School Of Baltimore Photo - Graduates go to colleges and universities all over America.]( "The Catholic High School Of Baltimore Photo - Graduates go to colleges and universities all over America.")
All-girls (Catholic)
2800 Edison Highway
Baltimore, MD 21213
(410) 732-6200
Baltimore, MD 21213
(410) 732-6200
Gr: 9-12 | 287 students Avg. class size: 12 students Sports: 13 | Extracurrculars: 14 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
5114 N Charles St
Baltimore, MD 21210
(410) 649-3210
Baltimore, MD 21210
(410) 649-3210
Gr: PK-12 | 755 students Avg. class size: 15 students Sports: 18 | Extracurrculars: 19 Tuition 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
The Heights School
All-boys (Catholic)
10400 Seven Locks Rd
Potomac, MD 20854
(301) 365-4300
Potomac, MD 20854
(301) 365-4300
Gr: 3-12 | 575 students Avg. class size: 17 students Tuition & acceptance rate listed
7303 River Road
Bethesda, MD 20817
(301) 365-6000
Bethesda, MD 20817
(301) 365-6000
Gr: 3-12 Avg. class size: 15 students Sports: 16 Tuition & acceptance rate 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
11300 Falls Road
Lutherville Timonium, MD 21093
(410) 308-8500
Lutherville Timonium, MD 21093
(410) 308-8500
Gr: 6-12 | 422 students Avg. class size: 15 students Sports: 12 | Extracurrculars: 29 Tuition listed
955 Sligo Ave
Silver Spring, MD 20910
(301) 495-6672
Silver Spring, MD 20910
(301) 495-6672
Gr: 9-12 | 76 students Avg. class size: 8 students Sports: 4 | Extracurrculars: 5 Tuition listed
815 Hampton Lane
Towson, MD 21286
(410) 825-6202
Towson, MD 21286
(410) 825-6202
Gr: 6-12 | 823 students Avg. class size: 16 students Sports: 19 | Extracurrculars: 68 Tuition listed
1500 Glencoe Road
Sparks Glencoe, MD 21152
(443) 472-4800
Sparks Glencoe, MD 21152
(443) 472-4800
Gr: 8-12 | 100 students Avg. class size: 8 students Sports: 10 | Extracurrculars: 28 Tuition & acceptance rate listed
8804 Postoak Rd
Potomac, MD 20854
(301) 983-5200
Potomac, MD 20854
(301) 983-5200
Gr: PK-12 | 723 students Sports: 16 | Extracurrculars: 1 Tuition & acceptance rate listed
17641 College Road
Hagerstown, MD 21740
(301) 733-9330
Hagerstown, MD 21740
(301) 733-9330
Gr: 8-12 | 232 students Avg. class size: 11 students Sports: 15 | Extracurrculars: 34 Tuition & acceptance rate listed
St. Paul's School For Girls
All-girls (Episcopal)
11232 Falls Rd
Brooklandville, MD 21022
(410) 823-6323
Brooklandville, MD 21022
(410) 823-6323
Gr: 5-12 | 440 students Tuition listed
11152 Falls Rd
Brooklandville, MD 21022
(410) 825-4400
Brooklandville, MD 21022
(410) 825-4400
Gr: 5-12 | 537 students Avg. class size: 17 students Sports: 14 | Extracurrculars: 6 Tuition & acceptance rate listed
8400 Greenspring Avenue
Stevenson, MD 21153
(410) 486-7401
Stevenson, MD 21153
(410) 486-7401
Gr: 9-12 | 175 students Avg. class size: 12 students Sports: 16 | Extracurrculars: 26 Tuition & acceptance rate listed
113 St Mary's Place
Laurel, MD 20707
(301) 725-3228
Laurel, MD 20707
(301) 725-3228
Gr: 9-12 | 410 students Avg. class size: 17 students Sports: 16 | Extracurrculars: 24 Tuition & acceptance rate 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
201 Water St
Severna Park, MD 21146
(410) 647-7700
Severna Park, MD 21146
(410) 647-7700
Gr: NS-12 | 911 students Avg. class size: 13 students Sports: 14 | Extracurrculars: 50 Tuition & acceptance rate 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
Show 5 more private schools in Maryland (out of 40 total schools)
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