For the 2025 school year, there are 41 private high schools belonging to National Association of Independent Schools (NAIS) serving 21,266 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, Landon School, and Gilman School.
The average tuition cost is $36,324, which is higher than the Maryland private high school average tuition cost of $19,499.
Top Ranked Private High Schools Belonging to National Association of Independent Schools (NAIS) in Maryland (2025)
School
Location
Grades
Students
13500 Layhill Road
Silver Spring, MD 20906
(301) 576-2800
Silver Spring, MD 20906
(301) 576-2800
Grades: PK-12
| 421 students
12793 Folly Quarter Road
Ellicott City, MD 21042
(410) 531-7347
Ellicott City, MD 21042
(410) 531-7347
Grades: NS-12
| 815 students
6101 Wilson Lane
Bethesda, MD 20817
(301) 320-3200
Bethesda, MD 20817
(301) 320-3200
Grades: 3-12
| 690 students
815 Hampton Lane
Towson, MD 21286
(410) 825-6202
Towson, MD 21286
(410) 825-6202
Grades: 6-12
| 823 students
2425 Old Court Road
Pikesville, MD 21208
(410) 339-7070
Pikesville, MD 21208
(410) 339-7070
Grades: PK-12
| 826 students
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
Grades: PK-12
| 620 students
6800 Marlboro Pike
District Heights, MD 20747
(301) 735-8401
District Heights, MD 20747
(301) 735-8401
Grades: 9-12
| 894 students
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
Grades: K-12
| 625 students
109 W Melrose Ave
Baltimore, MD 21210
(410) 323-8800
Baltimore, MD 21210
(410) 323-8800
Grades: PK-12
| 788 students
300 Calverton School Rd
Huntingtown, MD 20639
(410) 535-0216
Huntingtown, MD 20639
(410) 535-0216
Grades: PK-12
| 335 students
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
Grades: 9-12
| 287 students
9029 Bradley Blvd
Potomac, MD 20854
(301) 365-0955
Potomac, MD 20854
(301) 365-0955
Grades: 6-12
| 318 students
5114 N Charles St
Baltimore, MD 21210
(410) 649-3210
Baltimore, MD 21210
(410) 649-3210
Grades: PK-12
| 755 students
300 Garrison Forest Road
Owings Mills, MD 21117
(410) 559-3111
Owings Mills, MD 21117
(410) 559-3111
Grades: NS-12
| 550 students
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
Grades: PK-12
| 1,035 students
The Heights School
All-boys (Catholic)
10400 Seven Locks Rd
Potomac, MD 20854
(301) 365-4300
Potomac, MD 20854
(301) 365-4300
Grades: 3-12
| 575 students
7303 River Road
Bethesda, MD 20817
(301) 365-6000
Bethesda, MD 20817
(301) 365-6000
Grades: 3-12
| n/a students
1130 Anne Chambers Way
Crownsville, MD 21032
(410) 923-3660
Crownsville, MD 21032
(410) 923-3660
Grades: PK-12
| 560 students
11300 Falls Road
Lutherville Timonium, MD 21093
(410) 308-8500
Lutherville Timonium, MD 21093
(410) 308-8500
Grades: 6-12
| 422 students
8600 McDonogh Rd
Owings Mills, MD 21117
(443) 544-7020
Owings Mills, MD 21117
(443) 544-7020
Grades: PK-12
| 1,455 students
1500 Glencoe Road
Sparks Glencoe, MD 21152
(443) 662-1050
Sparks Glencoe, MD 21152
(443) 662-1050
Grades: 8-12
| 100 students
8804 Postoak Rd
Potomac, MD 20854
(301) 983-5200
Potomac, MD 20854
(301) 983-5200
Grades: PK-12
| 723 students
17641 College Road
Hagerstown, MD 21740
(301) 733-9330
Hagerstown, MD 21740
(301) 733-9330
Grades: 8-12
| 232 students
St. Paul's School For Girls
All-girls (Episcopal)
11232 Falls Rd
Brooklandville, MD 21022
(410) 823-6323
Brooklandville, MD 21022
(410) 823-6323
Grades: 5-12
| 440 students
11152 Falls Rd
Brooklandville, MD 21022
(410) 825-4400
Brooklandville, MD 21022
(410) 825-4400
Grades: 5-12
| 537 students
8400 Greenspring Avenue
Stevenson, MD 21153
(410) 486-7401
Stevenson, MD 21153
(410) 486-7401
Grades: 9-12
| 175 students
113 St Mary's Place
Laurel, MD 20707
(301) 725-3228
Laurel, MD 20707
(301) 725-3228
Grades: 9-12
| 410 students
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
Grades: PK-12
| 603 students
Show 6 more private schools in Maryland (out of 41 total schools)
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