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.

Best Maryland Private High Schools Belonging to The Association of Boarding Schools (TABS) (2025)

For the 2025 school year, there are 7 private high schools belonging to The Association of Boarding Schools (TABS) serving 3,878 students in Maryland. You can also find more schools membership associations in Maryland.
The top ranked private high schools belonging to The Association of Boarding Schools (TABS) in Maryland include Georgetown Preparatory School, Garrison Forest School, and McDonogh School.
The average acceptance rate is 72%, which is lower than the Maryland private high school average acceptance rate of 78%.
57% of private high schools belonging to The Association of Boarding Schools (TABS) in Maryland are religiously affiliated (most commonly Episcopal and Catholic).

Top Ranked Private High Schools Belonging to The Association of Boarding Schools (TABS) in Maryland (2025)

School
Location
Quick Facts
Annapolis Area Christian School
(Christian)
109 Burns Crossing Rd.
Severn, MD 21144
(410) 519-5300
Gr: K-12 | 863 students Avg. class size: 20 students Sports: 16 | Extracurrculars: 5 Tuition & acceptance rate listed
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
Gr: NS-12 | 550 students Avg. class size: 15 students Sports: 18 | Extracurrculars: 23 Tuition listed
Georgetown Preparatory School
Georgetown Preparatory School Photo - The Yard is the heart of campus where the students pass between classes, and meet up for clubs and spirit events.
All-boys (Catholic)
(1)
10900 Rockville Pike
Rockville, MD 20852
(301) 493-5000
Gr: 9-12 | 498 students Avg. class size: 16 students Sports: 18 | Extracurrculars: 30 Tuition listed
McDonogh School
McDonogh School Photo
(2)
8600 McDonogh Rd
Owings Mills, MD 21117
(443) 544-7020
Gr: PK-12 | 1,455 student Avg. class size: 16 students Sports: 21 Tuition listed
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
Gr: 8-12 | 232 students Avg. class size: 11 students Sports: 15 | Extracurrculars: 34 Tuition & acceptance rate listed
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
Gr: 9-12 | 175 students Avg. class size: 12 students Sports: 16 | Extracurrculars: 26 Tuition & acceptance rate listed
West Nottingham Academy
West Nottingham Academy Photo - Our 120-acre campus is just an hour's drive from Baltimore or Philadelphia and 25 minutes from the Univ. of Delaware's campus - all perfect for weekend activities and cultural events.
(5)
1079 Firetower Road
Colora, MD 21917
(410) 658-9260
Gr: 9-12 | 105 students Avg. class size: 12 students Sports: 10 | Extracurrculars: 9 Tuition & acceptance rate listed

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