⚠Unofficial calendar. Always confirm with your district before making plans. Some dates are estimated from nearby districts or past years — those are marked below.
Acalanes Union High
California · 5,389 students · 2026–27 school year
Showing the 2026–27 school year. Past years & forecasts are in our API.
Thanksgiving
Nov 23 – Nov 27
Winter
Jan 1 – Jan 4
Spring
Apr 5 – Apr 9
Last day
May 28
Breaks & no-school days
Day off
Starts
Ends
Staff Development Day
—
Staff Development Day
—
Institute Day
—
Labor Day
—
End Of 1St Quarter
—
Non School Day
—
Veteran'S Day
—
Thanksgiving Break
End Of First Semester
—
Winter Break
Martin Luther King, Jr. Day
—
Presidents' Day Weekend
—
Presidents' Day Weekend
—
End Of 3Rd Quarter
—
Staff Development Day
—
Spring Break
Memorial Day
—
Juneteenth Public Holiday
—
School dayDay offHalf dayEstimated — not yet confirmed by the district