Home / School calendars / Missouri / Warren County R-III School District MO Calendar 26-27

Missouri school calendar

Warren County R-III School District MO Calendar 26-27

  • 2026/27
  • Missouri
  • 9 teacher days

The Warren County R-III School District 2026–27 school year runs from Aug 25, 2026 to Jun 3, 2027. Breaks include Thanksgiving break Nov 25-27, winter break Dec 24 - Jan 1, and spring break Mar 22-26. 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 Thu, Jun 3, 2027 Last Day of School (Early Release / End of Semester 2)
Next key date Tue, Aug 25, 2026 Counts down once the school year is under way

Warren County R-III School District 2026-27 calendar

Select a thumbnail to open it full size, zoom in, or download it.

Warren County R-III 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
  • Break / vacation
  • Teacher / professional day
  • Early release / half day
  • Parent-teacher conference
  • Grading period / report cards
  • Graduation

August 2026

  • Aug 11-13, 2026 — New Teacher Days
  • Aug 17-21, 2026 — Professional Development (No School for Students)
  • Aug 25, 2026 — First Day of School

September 2026

  • Sep 14, 2026 — Teacher Professional Development (No School)

October 2026

  • Oct 5, 2026 — Parent Teacher Conferences (HS/MS)
  • Oct 23, 2026 — End of Quarter 1
  • Oct 26, 2026 — Parent Teacher Conferences (Elementary)

November 2026

  • Nov 16, 2026 — Teacher Professional Development (No School)
  • Nov 25-27, 2026 — Thanksgiving Break

December 2026

  • Dec 7, 2026 — Teacher Professional Development (No School)
  • Dec 18, 2026 — Early Release Day
  • Dec 24, 2026 - Jan 1, 2027 — Christmas Break

January 2027

  • Dec 24, 2026 - Jan 1, 2027 — Christmas Break
  • Jan 4, 2027 — Teacher Professional Development (No School)
  • Jan 15, 2027 — End of Semester 1

February 2027

  • Feb 1, 2027 — Teacher Professional Development (No School)

March 2027

  • Mar 1, 2027 — Teacher Professional Development (No School)
  • Mar 19, 2027 — End of Quarter 3
  • Mar 22-26, 2027 — Spring Break

April 2027

  • Apr 5, 2027 — Teacher Professional Development (No School)

May 2027

June 2027

  • Jun 3, 2027 — Last Day of School (Early Release / End of Semester 2)
  • Jun 12, 2027 — Graduation Day

July 2027

Warren County R-III School District teacher and staff days 2026/27

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

  • Aug 11-13, 2026 New Teacher Days District source
  • Aug 17-21, 2026 Professional Development (No School for Students) District source
  • Sep 14, 2026 Teacher Professional Development (No School) District source
  • Nov 16, 2026 Teacher Professional Development (No School) District source
  • Dec 7, 2026 Teacher Professional Development (No School) District source
  • Jan 4, 2027 Teacher Professional Development (No School) District source
  • Feb 1, 2027 Teacher Professional Development (No School) District source
  • Mar 1, 2027 Teacher Professional Development (No School) District source
  • Apr 5, 2027 Teacher Professional Development (No School) District source

Warren County R-III School District breaks and holidays

School is closed to students on these dates.

  • Nov 25-27, 2026 Thanksgiving Break Break
  • Dec 24, 2026 - Jan 1, 2027 Christmas Break Break
  • Mar 22-26, 2027 Spring Break Break

Your checked 2026/27 Warren County R-III School District planning calendar

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

Useful now21 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

Warren County R-III School District 2026–27 calendar dates

DateEvent
Aug 11-13, 2026New Teacher Days
Aug 17-21, 2026Professional Development (No School for Students)
Aug 25, 2026First Day of School
Sep 14, 2026Teacher Professional Development (No School)
Oct 5, 2026Parent Teacher Conferences (HS/MS)
Oct 23, 2026End of Quarter 1
Oct 26, 2026Parent Teacher Conferences (Elementary)
Nov 16, 2026Teacher Professional Development (No School)
Nov 25-27, 2026Thanksgiving Break
Dec 7, 2026Teacher Professional Development (No School)
Dec 18, 2026Early Release Day
Dec 24, 2026 - Jan 1, 2027Christmas Break
Jan 4, 2027Teacher Professional Development (No School)
Jan 15, 2027End of Semester 1
Feb 1, 2027Teacher Professional Development (No School)
Mar 1, 2027Teacher Professional Development (No School)
Mar 19, 2027End of Quarter 3
Mar 22-26, 2027Spring Break
Apr 5, 2027Teacher Professional Development (No School)
Jun 3, 2027Last Day of School (Early Release / End of Semester 2)
Jun 12, 2027Graduation Day

Warren County R-III School District Calendar 2026-2027 - Frequently Asked Questions

When is the first day of school in Warren County R-III School District 2026-2027?
The first day of school is August 25, 2026.
When is spring break in Warren County R-III School District 2026-2027?
Spring break is scheduled from March 22 to March 26, 2027.
When is Christmas break in Warren County R-III School District 2026-2027?
Christmas break runs from December 24, 2026 to January 1, 2027.
When is winter break in Warren County R-III School District 2026-2027?
Winter break coincides with Christmas break, from December 24, 2026 to January 1, 2027.
When is Thanksgiving break in Warren County R-III School District 2026-2027?
Thanksgiving break is from November 25 to November 27, 2026.
When is the last day of school in Warren County R-III School District 2026-2027?
The last day of school is June 3, 2027, and it is an early release day.
When are new teacher days scheduled?
New teacher days are scheduled from August 11 to August 13, 2026.
When is the end of the first semester?
The first semester ends on January 15, 2027.
When is the end of the first quarter?
The first quarter ends on October 23, 2026.
When is the end of the third quarter?
The third quarter ends on March 19, 2027.
When are parent-teacher conferences scheduled?
Parent-teacher conferences are on October 5, 2026 (High School/Middle School) and October 26, 2026 (Elementary).
When is graduation for Warren County R-III School District 2026-2027?
Graduation is scheduled for June 12, 2027.

Useful next steps

Switch school, download the calendar, or compare against other districts in Missouri.

All Missouri calendars Download this calendar School supply list Switch state

Warren County R-III School District calendar FAQs

When is the first day of school in Warren County R-III School District 2026-2027?
The first day of school is August 25, 2026.
When is spring break in Warren County R-III School District 2026-2027?
Spring break is scheduled from March 22 to March 26, 2027.
When is Christmas break in Warren County R-III School District 2026-2027?
Christmas break runs from December 24, 2026 to January 1, 2027.
When is winter break in Warren County R-III School District 2026-2027?
Winter break coincides with Christmas break, from December 24, 2026 to January 1, 2027.
When is Thanksgiving break in Warren County R-III School District 2026-2027?
Thanksgiving break is from November 25 to November 27, 2026.
When is the last day of school in Warren County R-III School District 2026-2027?
The last day of school is June 3, 2027, and it is an early release day.
When are new teacher days scheduled?
New teacher days are scheduled from August 11 to August 13, 2026.
When is the end of the first semester?
The first semester ends on January 15, 2027.
When is the end of the first quarter?
The first quarter ends on October 23, 2026.
When is the end of the third quarter?
The third quarter ends on March 19, 2027.
When are parent-teacher conferences scheduled?
Parent-teacher conferences are on October 5, 2026 (High School/Middle School) and October 26, 2026 (Elementary).
When is graduation for Warren County R-III School District 2026-2027?
Graduation is scheduled for June 12, 2027.

Dates can change after publication. Read our calendar disclaimer.