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Windsor C-1 School District MO Calendar 26-27

  • 2026/27
  • Missouri
  • 7 teacher days

The Windsor C-1 School District 2026–27 school year runs from Aug 25, 2026 to May 21, 2027. Breaks include Thanksgiving break Nov 25-27, winter break Dec 23-31, and spring break Mar 26-31. The table below lists all teacher workdays, early release days, and holidays. Download the PDF calendar, or read the FAQs.

School year starts Tue, Aug 25, 2026 First Day of School
School year ends Fri, May 21, 2027 Early Dismissal; Last Day of School
Next key date Tue, Aug 25, 2026 Counts down once the school year is under way

Windsor C-1 School District 2026-27 calendar

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Windsor C-1 School District school year calendar

Every published date for 2026–27, colour-coded by what happens that day.

  • First day of school
  • Last day of school
  • Holiday - school closed
  • Break / vacation
  • Teacher / professional day
  • Early release / half day
  • Parent-teacher conference
  • Weather make-up day

August 2026

  • Aug 11-12, 2026 — New Teacher Orientation
  • Aug 18-20, 2026 — All Staff Professional Development
  • Aug 25, 2026 — First Day of School

September 2026

  • Sep 7, 2026 — No School; Labor Day
  • Sep 28, 2026 — No School; Staff Professional Development

October 2026

  • Oct 16, 2026 — Early Dismissal; End of 1st Quarter
  • Oct 22, 2026 — Early Dismissal; Parent/Teacher Conferences
  • Oct 23, 2026 — No School; Conference Compensation Day

November 2026

  • Nov 2, 2026 — No School; Staff Professional Development
  • Nov 25-27, 2026 — No School; Thanksgiving Break

December 2026

  • Dec 21, 2026 — Early Dismissal
  • Dec 22, 2026 — Early Dismissal; End of 1st Semester
  • Dec 23-31, 2026 — No School; Winter Break

January 2027

  • Jan 1 & 4, 2027 — No School; Winter Break
  • Jan 5, 2027 — No School; Staff Professional Development
  • Jan 18, 2027 — No School; Martin Luther King, Jr. Day

February 2027

  • Feb 12, 2027 — No School; Staff Professional Development
  • Feb 15, 2027 — No School; Presidents' Day

March 2027

  • Mar 12, 2027 — Early Dismissal; End of 3rd Quarter
  • Mar 26-31, 2027 — No School; Spring Break

April 2027

  • Apr 19, 2027 — No School; Staff Professional Development

May 2027

  • May 20, 2027 — Early Dismissal
  • May 21, 2027 — Early Dismissal; Last Day of School
  • May 24-27, 2027 — Snow Make-Up Days (if needed)

June 2027

July 2027

Windsor C-1 School District teacher and staff days 2026/27

Students normally stay home on these days. Confirm with the district before making plans.

  • Aug 11-12, 2026 New Teacher Orientation District source
  • Aug 18-20, 2026 All Staff Professional Development District source
  • Sep 28, 2026 No School; Staff Professional Development District source
  • Nov 2, 2026 No School; Staff Professional Development District source
  • Jan 5, 2027 No School; Staff Professional Development District source
  • Feb 12, 2027 No School; Staff Professional Development District source
  • Apr 19, 2027 No School; Staff Professional Development District source

Windsor C-1 School District breaks and holidays

School is closed to students on these dates.

  • Sep 7, 2026 No School; Labor Day Holiday
  • Nov 25-27, 2026 No School; Thanksgiving Break Break
  • Dec 23-31, 2026 No School; Winter Break Break
  • Jan 1 & 4, 2027 No School; Winter Break Break
  • Jan 18, 2027 No School; Martin Luther King, Jr. Day Holiday
  • Feb 15, 2027 No School; Presidents' Day Holiday
  • Mar 26-31, 2027 No School; Spring Break Break

Your checked 2026/27 Windsor C-1 School District planning calendar

How these dates are put together, and what to double-check before you book anything.

Useful now24 published dates for the 2026–27 school year, laid out month by month.
CheckedTaken from the district’s own published calendar, not retyped from memory.
Kept currentLast updated May 2, 2026.
Full term dates table

Windsor C-1 School District 2026–27 calendar dates

DateEvent
Aug 11-12, 2026New Teacher Orientation
Aug 18-20, 2026All Staff Professional Development
Aug 25, 2026First Day of School
Sep 7, 2026No School; Labor Day
Sep 28, 2026No School; Staff Professional Development
Oct 16, 2026Early Dismissal; End of 1st Quarter
Oct 22, 2026Early Dismissal; Parent/Teacher Conferences
Oct 23, 2026No School; Conference Compensation Day
Nov 2, 2026No School; Staff Professional Development
Nov 25-27, 2026No School; Thanksgiving Break
Dec 21, 2026Early Dismissal
Dec 22, 2026Early Dismissal; End of 1st Semester
Dec 23-31, 2026No School; Winter Break
Jan 1 & 4, 2027No School; Winter Break
Jan 5, 2027No School; Staff Professional Development
Jan 18, 2027No School; Martin Luther King, Jr. Day
Feb 12, 2027No School; Staff Professional Development
Feb 15, 2027No School; Presidents' Day
Mar 12, 2027Early Dismissal; End of 3rd Quarter
Mar 26-31, 2027No School; Spring Break
Apr 19, 2027No School; Staff Professional Development
May 20, 2027Early Dismissal
May 21, 2027Early Dismissal; Last Day of School
May 24-27, 2027Snow Make-Up Days (if needed)

Windsor C-1 School District Calendar 2026-2027 FAQs

When is the first day of school in Windsor C-1 School District Calendar 2026-2027?
The first day of school is August 25, 2026.
When is spring break in Windsor C-1 School District Calendar 2026-2027?
Spring break is from March 26 to March 31, 2027.
When is Christmas break in Windsor C-1 School District Calendar 2026-2027?
Christmas break begins on December 23, 2026 and continues through January 4, 2027.
When is winter break in Windsor C-1 School District Calendar 2026-2027?
Winter break runs from December 23, 2026 through January 4, 2027.
When is Thanksgiving break in Windsor C-1 School District Calendar 2026-2027?
Thanksgiving break is from November 25 to November 27, 2026.
When is the last day of school in Windsor C-1 School District Calendar 2026-2027?
The last day of school is May 21, 2027.
When is Labor Day holiday in Windsor C-1 School District Calendar 2026-2027?
Labor Day holiday is on September 7, 2026.
When is Martin Luther King Jr. Day in Windsor C-1 School District Calendar 2026-2027?
Martin Luther King Jr. Day is observed on January 18, 2027.
When is Presidents' Day in Windsor C-1 School District Calendar 2026-2027?
Presidents' Day is on February 15, 2027.
When does the first semester end in Windsor C-1 School District Calendar 2026-2027?
The first semester ends on December 22, 2026.
When does the first quarter end in Windsor C-1 School District Calendar 2026-2027?
The first quarter ends on October 16, 2026.
When does the third quarter end in Windsor C-1 School District Calendar 2026-2027?
The third quarter ends on March 12, 2027.
When are parent-teacher conferences in Windsor C-1 School District Calendar 2026-2027?
Parent-teacher conferences are held on October 22, 2026.
When are snow make-up days in Windsor C-1 School District Calendar 2026-2027?
Snow make-up days are scheduled from May 24 to May 27, 2027 if needed.

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Windsor C-1 School District calendar FAQs

When is the first day of school in Windsor C-1 School District Calendar 2026-2027?
The first day of school is August 25, 2026.
When is spring break in Windsor C-1 School District Calendar 2026-2027?
Spring break is from March 26 to March 31, 2027.
When is Christmas break in Windsor C-1 School District Calendar 2026-2027?
Christmas break begins on December 23, 2026 and continues through January 4, 2027.
When is winter break in Windsor C-1 School District Calendar 2026-2027?
Winter break runs from December 23, 2026 through January 4, 2027.
When is Thanksgiving break in Windsor C-1 School District Calendar 2026-2027?
Thanksgiving break is from November 25 to November 27, 2026.
When is the last day of school in Windsor C-1 School District Calendar 2026-2027?
The last day of school is May 21, 2027.
When is Labor Day holiday in Windsor C-1 School District Calendar 2026-2027?
Labor Day holiday is on September 7, 2026.
When is Martin Luther King Jr. Day in Windsor C-1 School District Calendar 2026-2027?
Martin Luther King Jr. Day is observed on January 18, 2027.
When is Presidents' Day in Windsor C-1 School District Calendar 2026-2027?
Presidents' Day is on February 15, 2027.
When does the first semester end in Windsor C-1 School District Calendar 2026-2027?
The first semester ends on December 22, 2026.
When does the first quarter end in Windsor C-1 School District Calendar 2026-2027?
The first quarter ends on October 16, 2026.
When does the third quarter end in Windsor C-1 School District Calendar 2026-2027?
The third quarter ends on March 12, 2027.
When are parent-teacher conferences in Windsor C-1 School District Calendar 2026-2027?
Parent-teacher conferences are held on October 22, 2026.
When are snow make-up days in Windsor C-1 School District Calendar 2026-2027?
Snow make-up days are scheduled from May 24 to May 27, 2027 if needed.

Dates can change after publication. Read our calendar disclaimer.