⚠Unofficial calendar. Always confirm with your district before making plans. Some dates are estimated from nearby districts or past years — those are marked below.
Columbus H S
Montana · 240 students · 2026–27 school year
Showing the 2026–27 school year. Past years & forecasts are in our API.
Thanksgiving
Nov 26 – Nov 27
Winter
Dec 21 – Jan 1
Spring
Mar 29 – Apr 2
Last day
Jun 9
Breaks & no-school days
Day off
Starts
Ends
Teacher Workdays Start
—
Labor Day
—
Teacher Workday
—
Teacher Workday
—
Q1 Ends
—
Teacher Workday
—
Teacher Workday
—
Veterans Day
—
Teacher Workday
—
Thanksgiving Break
Winter Break
Mlk, Jr. Day
—
Q2 Ends
—
Teacher Workday
—
Teacher Workday
—
Q3 Ends
—
Teacher Workday
—
Good Friday
—
Spring Break
Memorial Day
—
Teacher Workday
—
Teacher Workday
—
School dayDay offHalf dayEstimated — not yet confirmed by the district