Oldfields School Photo - Oldfields School`s Mission is to embrace each student`s authentic self,educate through collaboration, empower the individual voice,and inspire confidence and continual growth, leading to a life of purpose.

Top 20 Best Maryland Private High Schools Belonging to National Association of Independent Schools (NAIS) (2024-25)

For the 2024-25 school year, there are 41 private high schools belonging to National Association of Independent Schools (NAIS) serving 21,272 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 $36,059, which is higher than the Maryland private high school average tuition cost of $19,097.
39% of private high schools belonging to National Association of Independent Schools (NAIS) in Maryland are religiously affiliated (most commonly Catholic and Episcopal).

Top Ranked Private High Schools Belonging to National Association of Independent Schools (NAIS) in Maryland (2024-25)

School
Location
Grades
Students
Barrie School
Barrie School Photo
Montessori School
(4)
13500 Layhill Road
Silver Spring, MD 20906
(301) 576-2800
Grades: PK-12
| 421 students
Bullis School
Bullis School Photo - At Bullis, students thrive in their pursuit of self-discovery, broaden their horizons, and ultimately transform our world.
10601 Falls Rd
Potomac, MD 20854
(301) 299-8500
Grades: K-12
| 1,022 students
Glenelg Country School
Glenelg Country School Photo - Upon entering our beautiful 90-acre campus, you first see our Upper School building which also connects to our Athletic Center.
(2)
12793 Folly Quarter Road
Ellicott City, MD 21042
(410) 531-7347
Grades: NS-12
| 815 students
The Gunston School
The Gunston School Photo
(3)
911 Gunston Rd
Centreville, MD 21617
(410) 758-0620
Grades: 9-12
| 248 students
Key School
Key School Photo
(7)
534 Hillsmere Drive
Annapolis, MD 21403
(410) 263-9231
Grades: NS-12
| 650 students
Landon School
Landon School Photo - We believe requiring a boy to engage in an array of experiences introduces him to passions and abilities he didn't know he had, which is essential to his emotional, social, physical, and intellectual growth.
All-boys
(6)
6101 Wilson Lane
Bethesda, MD 20817
(301) 320-3200
Grades: 3-12
| 690 students
Notre Dame Preparatory School
Notre Dame Preparatory School Photo
All-girls (Catholic)
(1)
815 Hampton Lane
Towson, MD 21286
(410) 825-6202
Grades: 6-12
| 823 students
Park School of Baltimore
Park School of Baltimore Photo - The Park School of Baltimore is an independent, gender-inclusive, non-sectarian progressive Pre-K through Grade 12 school located on a 100-acre campus just minutes from Baltimore city.
(3)
2425 Old Court Road
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.
All-girls
5204 Roland Avenue
Baltimore, MD 21210
(410) 323-5500
Grades: PK-12
| 620 students
Bishop McNamara High School
Bishop McNamara High School Photo - Bishop McNamara High School has been recognized as a 2024 National Blue Ribbon School by the U.S. Department of Education. BMHS received the "exemplary high-performing" school designation for superior results on nationally normed assessments. Our school is among the top public, magnet, charter, private, and independent schools in the country dedicated to exceptional academic achievement and student success.
(Catholic)
(1)
6800 Marlboro Pike
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
All-boys
822 W Lake Ave
Baltimore, MD 21210
(410) 377-5192
Grades: K-12
| 625 students
The Bryn Mawr School
All-girls
(1)
109 W Melrose Ave
Baltimore, MD 21210
(410) 323-8800
Grades: PK-12
| 788 students
The Calverton School
The Calverton School Photo
(11)
300 Calverton School Rd
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.
All-girls (Catholic)
2800 Edison Highway
Baltimore, MD 21213
(410) 732-6200
Grades: 9-12
| 287 students
Connelly School Of The Holy Child
Connelly School Of The Holy Child Photo - McShain Library at Connelly School of the Holy Child
All-girls (Catholic)
(1)
9029 Bradley Blvd
Potomac, MD 20854
(301) 365-0955
Grades: 6-12
| 318 students
Friends School Of Baltimore
Friends School Of Baltimore Photo - The world needs what our children can do.
(Friends)
(5)
5114 N Charles St
Baltimore, MD 21210
(410) 649-3210
Grades: PK-12
| 755 students
Garrison Forest School
Garrison Forest School Photo - The campus entrance on Garrison Forest Road
All-girls
(3)
300 Garrison Forest Road
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.
All-boys
5407 Roland Avenue
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
Grades: 3-12
| 575 students
Holton-arms School
All-girls
(1)
7303 River Road
Bethesda, MD 20817
(301) 365-6000
Grades: 3-12
| n/a students
Indian Creek School
(3)
1130 Anne Chambers Way
Crownsville, MD 21032
(410) 923-3660
Grades: PK-12
| 560 students
Jemicy School
11 Celadon Rd
Owings Mills, MD 21117
(410) 653-2700
Grades: 1-12
| 453 students
Maryvale Preparatory School
Maryvale Preparatory School Photo
All-girls (Catholic)
(2)
11300 Falls Road
Lutherville Timonium, MD 21093
(410) 308-8500
Grades: 6-12
| 422 students
McDonogh School
McDonogh School Photo
(1)
8600 McDonogh Rd
Owings Mills, MD 21117
(443) 544-7020
Grades: PK-12
| 1,455 students
McLean School
McLean School Photo - Engaged students who develop self advocacy skills.
(10)
8224 Lochinver Ln
Potomac, MD 20854
(240) 395-0698
Grades: K-12
| 498 students
The Nora School
The Nora School Photo
955 Sligo Ave
Silver Spring, MD 20910
(301) 495-6672
Grades: 9-12
| 76 students
Oldfields School
Oldfields School Photo - Oldfields School`s Mission is to embrace each student`s authentic self,educate through collaboration, empower the individual voice,and inspire confidence and continual growth, leading to a life of purpose.
All-girls
(1)
1500 Glencoe Road
Sparks Glencoe, MD 21152
(443) 662-1050
Grades: 8-12
| 100 students
St. Andrew's Episcopal School
St. Andrew's Episcopal School Photo
(Episcopal)
(3)
8804 Postoak Rd
Potomac, MD 20854
(301) 983-5200
Grades: PK-12
| 723 students
Saint James School
Saint James School Photo - Small classes ensure engagement and mastery of material. A variety of AP and post-AP courses (17 total) allow interested students to pursue subjects in greater depth.
(Episcopal)
(1)
17641 College Road
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
Grades: 5-12
| 440 students
St. Pauls School for Boys
St. Pauls School for Boys Photo - St. Paul's School for Boys upper school building was designed to foster the supportive relationships and unique learning opportunities that are at the heart of the St. Paul`s experience.
(Episcopal)
(3)
11152 Falls Rd
Brooklandville, MD 21022
(410) 825-4400
Grades: 5-12
| 537 students
St. Timothy's School
St. Timothy's School Photo - Completed in 2012, Dixon Hall is our state-of-the-art academic building. The technology-rich facility features the Taft Lecture Hall, the Coleman World Languages and Cultures Center, and a Center for Learning and Teaching.
All-girls (Episcopal)
(1)
8400 Greenspring Avenue
Stevenson, MD 21153
(410) 486-7401
Grades: 9-12
| 175 students
St. Vincent Pallotti High School
(Catholic)
(2)
113 St Mary's Place
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
(Friends)
16923 Norwood Road
Sandy Spring, MD 20860
(301) 774-7455
Grades: PK-12
| 603 students
Severn School
Severn School Photo
201 Water St
Severna Park, MD 21146
(410) 647-7700
Grades: NS-12
| 911 students
Show 6 more private schools in Maryland (out of 41 total schools)
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