The Academy – Main Campus (3-12)
- Westminster
- Elementary, High School, Middle School
- Phone:
- 303-289-8088
Grade > High School
Colorado High School Charter GES Campus
- Denver
- High School
- Phone:
- 303-997-0491
DSST – Stapleton High School
- Denver
- High School
- Phone:
- 303-320-5570
Justice High School – Boulder
- Lafayette
- High School, Middle School
- Phone:
- 303-441-4862
Power Technical Early College
- Colorado Springs
- High School, Middle School
- Phone:
- 719-302-9025
Twin Peaks Charter Academy
- Longmont
- Elementary, High School, Kindergarten, Middle School
- Phone:
- 303-772-7286
Addenbrooke Classical Academy
- Lakewood
- Elementary, High School, Kindergarten, Middle School
- Phone:
- 303-986-5791
Colorado High School Charter Osage Campus
- Denver
- High School
- Phone:
- 303-892-8475
Eagle Ridge Academy Charter High School
- Brighton
- High School
- Phone:
- 303-655-0773
Justice High School – Denver
- Denver
- High School
- Phone:
- 303-480-5610
Renaissance Secondary School
- Castle Rock
- High School, Middle School
- Phone:
- 720-689-6120
Two Roads Charter School
- Arvada
- Elementary, High School, Kindergarten, Middle School
- Phone:
- 303-423-3377
Animas High School
- Durango
- High School
- Phone:
- 970-247-2474
Colorado Springs Early Colleges
- Colorado Springs
- High School
- Phone:
- 719-955-4675
Early College of Arvada
- Arvada
- High School, Middle School
- Phone:
- 720-473-4400
KIPP Denver Collegiate High School
- Denver
- High School
- Phone:
- 303-922-5324
Ridge View Academy
- Watkins
- High School
- Phone:
- 303-766-3000
Union Colony Preparatory School Elementary
- Phone:
- 970-673-4997
Ascent Classical Academy
- Northern Douglas County
- Elementary, High School, Kindergarten, Middle School
- Phone:
- 720-541-9809
Colorado Virtual Academy (COVA)
- Lakewood
- Elementary, High School, Kindergarten, Middle School
- Phone:
- 866-220-2027
Early College of Denver
- Denver
- High School
- Phone:
- 303-935-5473
KIPP Northeast Denver Leadership Academy
- Denver
- High School
- Phone:
- 720-452-2570
Ridgeview Classical Schools
- Fort Collins
- Elementary, High School, Kindergarten, Middle School
- Phone:
- 970-494-4620
Union Colony Preparatory School Secondary
- Greeley
- Elementary, High School, Kindergarten, Middle School
- Phone:
- 970-673-4546
Atlas Preparatory School
- Colorado Springs
- Elementary, High School, Middle School
- Phone:
- 719-358-7196
Community Prep School
- Colorado Springs
- High School
- Phone:
- 719-227-8836
Eastlake High School of Colorado Springs
- Colorado Springs
- High School
- Phone:
- 719-271-0145
Launch High School
- Colorado Springs
- High School
- Phone:
- 719-387-9379
RiseUp Community School
- Denver
- High School
- Phone:
- 303-477-0517
University Schools
- Greeley
- Elementary, High School, Kindergarten, Middle School
- Phone:
- 970-506-7000