Seneca Academy Photo - Our combination of intentionally small class sizes, inquiry-based, International Baccalaureate curriculum, and affordability makes us a unique high-value learning investment for forward-thinking families

Best Maryland Private Schools Belonging to International Baccalaureate (IB) World School (2025-26)

For the 2025-26 school year, there are 4 private schools belonging to International Baccalaureate (IB) World School serving 1,828 students in Maryland. You can also find more schools membership associations in Maryland.
The top ranked private schools belonging to International Baccalaureate (IB) World School in Maryland include Archbishop Spalding High School and St. Timothy's School.
The average acceptance rate is 70%, which is lower than the Maryland private school average acceptance rate of 79%.
75% of private schools belonging to International Baccalaureate (IB) World School in Maryland are religiously affiliated (most commonly Catholic and Episcopal).

Top Ranked Private Schools Belonging to International Baccalaureate (IB) World School in Maryland (2025-26)

School
Location
Quick Facts
Seneca Academy
Seneca Academy Photo - We believe time spent outdoors, both structured and unstructured, is fundamental to children's well-being and academic engagement. Students spend time outside on our 6.5-acre campus each day in all kinds of weather!
(6)
15601 Germantown Rd
Germantown, MD 20874
(301) 869-3728
Gr: NS-5 | 131 students Avg. class size: 14 students Extracurrculars: 8 Tuition listed
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 student 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
St. Francis Of Assisi School
(Catholic)
3617 Harford Rd
Baltimore, MD 21218
(410) 467-1683
Gr: PK-8 | 236 students Avg. class size: 22 students Sports: 3 | Extracurrculars: 12 Tuition listed

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