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

For the 2026-27 school year, there are 3 private elementary schools belonging to International Baccalaureate World School (IB) serving 1,132 students in Colorado. You can also find more schools membership associations in Colorado.
The top ranked private elementary schools belonging to International Baccalaureate World School (IB) in Colorado include Mackintosh Academy Boulder, International School of Denver, and Boulder Country Day.
The average acceptance rate is 57%, which is lower than the Colorado private elementary school average acceptance rate of 87%.

Quick Facts (2026-27)

  • # Private Schools: 3

Quick Facts (2026-27)

  • # Private Schools: 3

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

Boulder Country Day Photo
Gr: NS-8 | 284 students
Avg. class size: 16 students
Sports: 5 | Extracurriculars: 7
4820 Nautilus Ct N
Boulder, CO 80301
(303) 527-4931
(13)
International School of Denver Photo
Gr: PK-9 | 684 students
Avg. class size: 13 students
Sports: 7 | Extracurriculars: 32
Specialized Curriculum
7701 E 1st Pl, Unit C
Denver, CO 80230
(303) 340-3647
(10)
Map of Mackintosh Academy Boulder
Gr: K-8 | 164 students
Avg. class size: 18 students
Sports: 1
6717 S. Boulder Road
Boulder, CO 80303
(303) 554-2011
(4)

Frequently Asked Questions

What are the top ranked private elementary schools belonging to International Baccalaureate World School (IB) in Colorado?
The top ranked private elementary schools belonging to International Baccalaureate World School (IB) in Colorado include Mackintosh Academy Boulder, International School of Denver, and Boulder Country Day.
How many private elementary schools belonging to International Baccalaureate World School (IB) are located in Colorado?
3 private elementary schools belonging to International Baccalaureate World School (IB) are located in Colorado.

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