Waterloo Schools Calendar 2025-2026. The approved district calendar and other school calendar resources are always available to the public on our website and in our app in “documents”. Filter the calendar view by clicking on jeffco public schools above and selecting the types of events you would like to see.

Calendars are subject to change. The online calendar provides the first and last days of school, professional development days and holidays, exams and assessment dates, as well as any events, added.