Welcome to COL!
Collaboration not Competition

COL collaborates with schools to provide affordable, high-quality, standards-based supplemental online coursework for schools and students needing credit retrieval, advanced courses, curriculum enhancement and/or to resolve scheduling conflicts.

COL can supplement your local high school curriculum with a wide variety of courses designed for students in all performance ranges.

21st Century Learning
Our Curriculum and Instruction

COL courses are rigorous, aligned with Colorado Model Content Standards and conducted fully online. All of our courses are taught by highly-qualified Colorado-licensed teachers. Students can access courses 24/7, and can work from home, school, or anywhere they find internet access!

Click one of the links above (Student, Educator, or Parent) to find out how to get started.

Quote COL makes it possible for us to offer so much more. I don’t know how small districts get by without COL or something like it.” -COL Site Coordinator



Phone: (303) 339-4080
Toll Free: (877) 293-5673
Fax: (303) 350-1624