St. Timothy's School Photo - The Commons is equal parts living room and dining room. The newest building on campus, the Commons is a gathering space that houses the dining hall and the new Redlands Cafe.

Best Maryland Private High Schools Belonging to International Baccalaureate (IB) World School (2026)

For the 2026 school year, there are 2 private high schools belonging to International Baccalaureate (IB) World School serving 1,461 students in Maryland. You can also find more schools membership associations in Maryland.
The top-ranked private high schools belonging to International Baccalaureate (IB) World School in Maryland include St. Timothy's School and Archbishop Spalding High School.
The average acceptance rate is 70%, which is lower than the Maryland private high school average acceptance rate of 77%.
100% of private high schools belonging to International Baccalaureate (IB) World School in Maryland are religiously affiliated (most commonly Catholic and Episcopal).

Top-Ranked Private High Schools Belonging to International Baccalaureate (IB) World School in Maryland (2026)

School
Location
Quick Facts
Archbishop Spalding High School
Archbishop Spalding High School Photo
(Catholic)
(1)
8080 New Cut Road
Severn, MD 21144
(410) 969-9105
Gr: 9-12 | 1,286 students Avg. class size: 20 students Sports: 26 | Extracurrculars: 32 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

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