University Of Colorado Academic Calendar 2025-2026

University Of Colorado Academic Calendar 2025-2026. As announced in december 2023, cu boulder will follow a revised academic calendar beginning with the fall 2025 semester. Spring 2025 classes are posted in cu boulder class search, which means it's time to start planning your schedule!

Spring 2025 classes are posted in cu boulder class search, which means it’s time to start planning your schedule! First year orientation and first week of classes july 1: