K12Cal

US school district academic calendars

California

William S. Hart Union High Calendar

William S. Hart Union High is a public school district in Santa Clarita, California. This page publishes the 2026-27 academic calendar: the first day of school, the end date published on the district calendar, student holidays, and breaks. K12Cal copies those dates from the district's official calendar and links the source. It does not set the calendar. It enrolls 20,685 students in Santa Clarita.

School year covered: 2026-27. The year-specific record is the William S. Hart Union High calendar 2026-27.

At a glance

First day
End of 2nd semester
Next break
Thanksgiving break, November 23–27, 2026As of October 20, 2026, when this calendar was last verified.

2026-27 dates

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William S. Hart Union High 2026-27 calendar dates
DateEventApplies toNotes
First day of schoolAll students—
Labor DayAll students—
Fall breakAll students—
Veterans DayAll students—
Thanksgiving breakAll students—
Teacher Work DayAll students—
Winter breakAll students—
MLK Jr. DayAll students—
Non-Student DayAll students—
Presidents DayAll students—
Spring breakAll students—
Memorial DayAll students—
End of 2nd semesterAll students—
JuneteenthAll students—

Official source

Last verified . Status: verified.

Notes

  • Grades 7-12 district. Last day = End of 2nd Semester (June 3; finals June 1-3). Semester 2 starts Jan 11.

Not listed

  • Early release days were not confirmed against the official source and are omitted.

Questions

When does William S. Hart Union High start school in 2026-27?

William S. Hart Union High starts school on Tuesday, August 11, 2026.

What end date does the William S. Hart Union High 2026-27 calendar list?

End of 2nd semester is Thursday, June 3, 2027.

When is fall break for William S. Hart Union High?

Fall break is Monday, October 5, 2026.

When is thanksgiving break for William S. Hart Union High?

Thanksgiving break is November 23–27, 2026.

When is winter break for William S. Hart Union High?

Winter break is December 21, 2026 – January 8, 2027.

When is spring break for William S. Hart Union High?

Spring break is April 5–9, 2027.

When is the next break for William S. Hart Union High?

As of October 20, 2026, the next break is Thanksgiving break, November 23–27, 2026.

Does William S. Hart Union High list early release days in 2026-27?

The verified 2026-27 calendar does not list early release days.

These dates are for William S. Hart Union High only. For the state directory, see California school district calendars.