Private School Review - Established 2003
Seneca Academy
Archbishop Spalding High School Top 3 · Most AP Courses (MD)
St. Timothy's School Top 10 · Oldest Founding Date (MD)

Best Maryland Private Schools Belonging to International Baccalaureate World School (IB) (2026-27)

For the 2026-27 school year, there are 4 private schools belonging to International Baccalaureate World School (IB) serving 1,830 students in Maryland. You can also find more schools membership associations in Maryland.
The top ranked private schools belonging to International Baccalaureate World School (IB) 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 school average acceptance rate of 80%.
75% of private schools belonging to International Baccalaureate World School (IB) in Maryland are religiously affiliated (most commonly Catholic and Episcopal).

Quick Facts (2026-27)

  • # Private Schools: 4

Quick Facts (2026-27)

  • # Private Schools: 4

Top Ranked Private Schools Belonging to International Baccalaureate World School (IB) in Maryland (2026-27)

Seneca Academy Photo
Seneca Academy
Gr: NS-5 | 133 students
Avg. class size: 14 students
Extracurriculars: 8
15601 Germantown Rd
Germantown, MD 20874
(301) 869-3728
(8)
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Archbishop Spalding High School Photo
Archbishop Spalding High School
Gr: 9-12 | 1,286 students
Avg. class size: 20 students
Sports: 26 | Extracurriculars: 32
Catholic
8080 New Cut Road
Severn, MD 21144
(410) 969-9105
(1)
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St. Timothy's School Photo
St. Timothy's School
Gr: 9-12 | 175 students
Avg. class size: 12 students
Sports: 16 | Extracurriculars: 26
All-girls (Episcopal)
8400 Greenspring Avenue
Stevenson, MD 21153
(410) 486-7401
(1)
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Map of St. Francis Of Assisi School
St. Francis Of Assisi School
Gr: PK-8 | 236 students
Avg. class size: 22 students
Sports: 3 | Extracurriculars: 12
Catholic
3617 Harford Rd
Baltimore, MD 21218
(410) 467-1683
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Frequently Asked Questions

What are the top ranked private schools belonging to International Baccalaureate World School (IB) in Maryland?
The top ranked private schools belonging to International Baccalaureate World School (IB) in Maryland include St. Timothy's School and Archbishop Spalding High School.
How many private schools belonging to International Baccalaureate World School (IB) are located in Maryland?
4 private schools belonging to International Baccalaureate World School (IB) are located in Maryland.
What percentage of private schools belonging to International Baccalaureate World School (IB) are religiously affiliated in Maryland?
75% of private schools belonging to International Baccalaureate World School (IB) in Maryland are religiously affiliated (most commonly Catholic and Episcopal).
4
Private Schools
1,830
Students
$31,706
Avg. Tuition
36%
Students of Color
10:1
Student-Teacher Ratio

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