Staying Local Learning Global

Colorado Digital Learning Solutions (CDLS) is the state-supported supplemental online program that provides Colorado districts, BOCES, and charter schools access to high quality online courses that supplement their existing course offerings in a 21st century learning environment.

Smiling student in glasses with a headset around her neck, writing in a notebook beside a laptop

Registration

Dates for each semester, plus the drop deadlines.

Registration, drop deadline and semester dates for each term
TermRegistrationDrop DeadlineSemester
Fall 2026August 10 - September 18, 2026October 2, 2026August 19 - December 18 2026
Spring 2027November 30, 2026 - January 22, 2027January 29, 2027January 6 - May 14, 2027

Drop dates

Districts are invoiced for all enrollments on the roster following the drop date, after registration is closed. Drops made after the drop date will be assessed the full course fee.

Online Options

CDLS courses are affordable, high-quality, and standards-based. Students can use them for credit retrieval, advanced courses, curriculum enhancement and/or to resolve scheduling conflicts. CDLS can supplement your local middle school and high school curriculum with a wide variety of courses designed for students in all performance ranges, from at-risk to advanced students.

  • 25,000students supported
  • 160districts, BOCES, and charter schools supported
  • 89%of students pass CDLS courses
Student wearing headphones takes notes with a pencil beside his laptop
Smiling student with long curly hair at a row of laptops in a bright classroom

Introducing: CDLS Stories

CDLS Stories of Hope & Innovation in Colorado Schools: Watch quick interviews with inspiring educators across Colorado as they share success stories, tips, and tricks for using online learning in many different ways for many different purposes. Take a look!

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