International School of Denver Photo

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

For the 2026 school year, there are 3 private schools belonging to International Baccalaureate (IB) World School serving 1,141 students in Colorado. You can also find more schools membership associations in Colorado.
The top-ranked private schools belonging to International Baccalaureate (IB) World School in Colorado include Mackintosh Academy Boulder, Boulder Country Day, and International School of Denver.
The average acceptance rate is 57%, which is lower than the Colorado private school average acceptance rate of 84%.

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

School
Location
Quick Facts
Boulder Country Day
Boulder Country Day Photo - BCD is a proudly independent institution serving students 2 years old - 8th grade. In partnership with our outstanding faculty and committed families, we uphold the highest standard for our educational experience. Through small class sizes and innovative engagement in a supportive environment, students at BCD learn to explore their strengths and apply them to the world.
(13)
4820 Nautilus Ct N
Boulder, CO 80301
(303) 527-4931
Gr: NS-8 | 293 students Avg. class size: 16 students Sports: 5 | Extracurrculars: 7 Tuition listed
International School of Denver
International School of Denver Photo
Special Program Emphasis
(10)
7701 E 1st Pl, Unit C
Denver, CO 80230
(303) 340-3647
Gr: PK-9 | 684 students Avg. class size: 13 students Sports: 7 | Extracurrculars: 32 Tuition & acceptance rate listed
Mackintosh Academy Boulder
(4)
6717 S. Boulder Road
Boulder, CO 80303
(303) 554-2011
Gr: K-8 | 164 students Avg. class size: 18 students Sports: 1 Tuition & acceptance rate listed

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