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.
The top ranked private elementary schools belonging to International Baccalaureate World School (IB) in Colorado include International School of Denver and Boulder Country Day.
These schools make up 1% of the 266 private schools in Colorado and 2% of its 48,333 private school students.
These schools are in Boulder and Denver.
Quick Facts (26-27)
- # Private Schools: 3
- # Students Served: 1,132
- Average Tuition: $32,682
- Student-Teacher Ratio: 7:1
- % Students on Financial Aid: 22%
- Average Class Size: 16 students


