Preschool through IB Middle School


Boulder Country Day School
4820 Nautilus Court North
Boulder, CO 80301

Main Phone:  303-527-4931
Fax: 303-527-4944

Extended Day Phone: 303-527-4931 x 229
Summer Camp Phone: 303-527-4931 x229
Admission: 303-516-4148
Tours daily during the summer

Reception Hours

  • 7:30 am - 6:00 pm when classes are in session and on Parent Conference and teacher work days.
  • 8:30 am – 3:30 pm during the summer.

Emergency Information

For all emergencies, please call 911.


If BCD closes due to inclement weather, the closing will be announced on the BCD homepage and the school will send a text and/or email through the K-12 Campus Alert program. Closures will also be announced on Channel 4 TV, Channel 9 TV.
Nestled in the Gunbarrel neighborhood of Boulder, BCD’s 5.5 acre campus abuts Boulder County’s Twin Lakes park, a haven for wetlands wildlife and crisscrossed by bike and pedestrian trails. 
Boulder Country Day School    4820 Nautilus Court North • Boulder, Colorado 80301 • Phone - 303.527.4931 • After-hours x229 •
Boulder Country Day School, where academic distinction meets education with character. BCD is a top rated, accredited private school in Boulder, Colorado where every child has the opportunity to discover his or her own unique excellence. Distinguished by small class sizes, outstanding faculty, engaging academics and a focus on community, our preschool, elementary and IB middle school teachers strive to create a well-rounded educational environment that balances traditional subjects with the arts, world languages, athletics and project-based learning.