
Nominate for the 2026 Apple Awards
Nominate a C2E Superstar for the 2026 Apple Awards: Apple Awards…

Mammoth March Sponsors
A HUGE thank you to our sponsors of the 2025 Mammoth March, we…


2024 John Irwin School of Excellence Award
Challenge to Excellence is a proud recipient of the 2024 John…

US News Ranks Challenge to Excellence Among Top Schools!
US News Ranks Challenge to Excellence Charter School Among Top…
Nominate for the 2026 Apple Awards
/in AnnouncementsNominate a C2E Superstar for the 2026 Apple Awards: Apple Awards Nomination Form
Mammoth March Sponsors
/in AnnouncementsA HUGE thank you to our sponsors of the 2025 Mammoth March, we couldn’t do it without your help!
No School
/in AnnouncementsNo School on Friday, September 19th due to a staff development day
2024 John Irwin School of Excellence Award
/in AnnouncementsChallenge to Excellence is a proud recipient of the 2024 John Irwin School of Excellence Award, given to schools who demonstrate outstanding academic achievement in reading, math and science.
US News Ranks Challenge to Excellence Among Top Schools!
/in AnnouncementsUS News Ranks Challenge to Excellence Charter School Among Top Schools in Douglas County and Colorado! C2E ranks #9 in Douglas County Elementary Schools, #2 in Middle Schools, #7 in Colorado Charter Elementary Schools, and #6 in Charter Middle Schools! Click HERE to read the full article