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Pattonville R-III School District MO Calendar 26-27

  • 2026/27
  • Missouri
  • 6 teacher days

The Pattonville R-III School District 2026–27 school year runs from Aug 24, 2026 to May 27, 2027. Breaks include Thanksgiving break Nov 25-27, winter break Dec 23-31, and spring break Mar 15-19. The table below lists all teacher workdays, early release days, and holidays. Download the PDF calendar, or read the FAQs.

School year starts Mon, Aug 24, 2026 First Day of School
School year ends Thu, May 27, 2027 Last Day of School (Projected)
Next key date Mon, Aug 24, 2026 Counts down once the school year is under way

Pattonville R-III School District 2026-27 calendar

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Pattonville 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
  • Holiday - school closed
  • Break / vacation
  • Teacher / professional day
  • Early release / half day
  • Parent-teacher conference
  • Graduation
  • Weather make-up day
  • Other scheduled date

August 2026

  • Aug 10-13, 2026 — New Teacher Orientation
  • Aug 14, 17-21, 2026 — Staff Orientation / Professional Development
  • Aug 24, 2026 — First Day of School

September 2026

  • Sep 7, 2026 — No School - Labor Day Holiday

October 2026

  • Oct 2, 2026 — Early Dismissal for Staff Collaboration
  • Oct 14-15, 2026 — Parent-Teacher Conferences
  • Oct 16, 2026 — No School Following Conferences
  • Oct 19, 2026 — No School - Staff Development Day

November 2026

  • Nov 25-27, 2026 — No School - Thanksgiving Break

December 2026

  • Dec 21, 2026 — High School Early Dismissal for Finals
  • Dec 22, 2026 — Early Dismissal for Staff Collaboration / Finals
  • Dec 23-31, 2026 — Winter Break

January 2027

  • Jan 1, 2027 — No School - Winter Break
  • Jan 4, 2027 — No School - Staff Report / Work Day
  • Jan 5, 2027 — School Resumes
  • Jan 18, 2027 — No School - Martin Luther King Jr. Day

February 2027

  • Feb 12, 2027 — No School - Staff Development Day
  • Feb 15, 2027 — No School - Presidents Day

March 2027

  • Mar 5, 2027 — Early Dismissal for Staff Collaboration
  • Mar 10-11, 2027 — Parent-Teacher Conferences
  • Mar 12, 2027 — No School Following Conferences
  • Mar 15-19, 2027 — Spring Break
  • Mar 26, 2027 — No School - Spring Holiday

April 2027

  • Apr 16, 2027 — No School - Staff Development Day

May 2027

  • May 26, 2027 — High School Early Dismissal for Finals
  • May 27, 2027 — Last Day of School (Projected)
  • May 27, 2027 — Pattonville High School Graduation
  • May 28, 2027 — Staff Report Day
  • May 28, 2027 — Possible Make-Up Day

June 2027

  • Jun 1-4, 7, 2027 — Possible Make-Up Days

July 2027

Pattonville 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 10-13, 2026 New Teacher Orientation District source
  • Aug 14, 17-21, 2026 Staff Orientation / Professional Development District source
  • Oct 19, 2026 No School - Staff Development Day District source
  • Jan 4, 2027 No School - Staff Report / Work Day District source
  • Feb 12, 2027 No School - Staff Development Day District source
  • Apr 16, 2027 No School - Staff Development Day District source

Pattonville R-III School District breaks and holidays

School is closed to students on these dates.

  • Sep 7, 2026 No School - Labor Day Holiday Holiday
  • Nov 25-27, 2026 No School - Thanksgiving Break Break
  • Dec 23-31, 2026 Winter Break Break
  • Jan 1, 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 15-19, 2027 Spring Break Break
  • Mar 26, 2027 No School - Spring Holiday Holiday
  • May 31, 2027 No School - Memorial Day Holiday

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

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

Useful now31 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 February 14, 2026.
Full term dates table

Pattonville R-III School District 2026–27 calendar dates

DateEvent
Aug 10-13, 2026New Teacher Orientation
Aug 14, 17-21, 2026Staff Orientation / Professional Development
Aug 24, 2026First Day of School
Sep 7, 2026No School - Labor Day Holiday
Oct 2, 2026Early Dismissal for Staff Collaboration
Oct 14-15, 2026Parent-Teacher Conferences
Oct 16, 2026No School Following Conferences
Oct 19, 2026No School - Staff Development Day
Nov 25-27, 2026No School - Thanksgiving Break
Dec 21, 2026High School Early Dismissal for Finals
Dec 22, 2026Early Dismissal for Staff Collaboration / Finals
Dec 23-31, 2026Winter Break
Jan 1, 2027No School - Winter Break
Jan 4, 2027No School - Staff Report / Work Day
Jan 5, 2027School Resumes
Jan 18, 2027No School - Martin Luther King Jr. Day
Feb 12, 2027No School - Staff Development Day
Feb 15, 2027No School - Presidents Day
Mar 5, 2027Early Dismissal for Staff Collaboration
Mar 10-11, 2027Parent-Teacher Conferences
Mar 12, 2027No School Following Conferences
Mar 15-19, 2027Spring Break
Mar 26, 2027No School - Spring Holiday
Apr 16, 2027No School - Staff Development Day
May 26, 2027High School Early Dismissal for Finals
May 27, 2027Last Day of School (Projected)
May 27, 2027Pattonville High School Graduation
May 28, 2027Staff Report Day
May 28, 2027Possible Make-Up Day
May 31, 2027No School - Memorial Day
Jun 1-4, 7, 2027Possible Make-Up Days

Pattonville R-III School District Calendar 2026-2027 – Important Dates FAQ

When is the first day of school in Pattonville R-III School District for 2026-2027?
The first day of school for students in Pattonville R-III School District for the 2026-2027 school year is August 24, 2026.
When is Thanksgiving break in Pattonville R-III School District?
Thanksgiving break for the 2026-2027 school year is from November 25 through November 27, 2026. Schools and district offices will be closed.
When is winter break in Pattonville R-III School District?
Winter break begins on December 23, 2026, and continues through January 4, 2027. Students return to school on January 5, 2027.
When is Christmas break in Pattonville R-III School District?
Christmas break is part of the winter break and runs from December 23 through December 31, 2026, with district offices closed on December 24 and 25.
When is spring break in Pattonville R-III School District?
Spring break for the 2026-2027 school year is scheduled from March 15 through March 19, 2027.
When is the last day of school in Pattonville R-III School District?
The projected last day of school for students in the 2026-2027 school year is May 27, 2027.
Are there any no-school staff development days during the 2026-2027 school year?
Yes. No-school staff development days are scheduled on October 19, 2026, February 12, 2027, and April 16, 2027.
Which holidays are observed with no school in Pattonville R-III School District?
Observed holidays with no school include Labor Day (September 7, 2026), Martin Luther King Jr. Day (January 18, 2027), Presidents Day (February 15, 2027), and Memorial Day (May 31, 2027).
Are there any early dismissal days during the 2026-2027 school year?
Yes. Early dismissal days occur on October 2, 2026; December 21–22, 2026; March 5, 2027; and May 26–27, 2027, primarily for staff collaboration, conferences, and finals.

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Pattonville R-III School District calendar FAQs

When is the first day of school in Pattonville R-III School District for 2026-2027?
The first day of school for students in Pattonville R-III School District for the 2026-2027 school year is August 24, 2026.
When is Thanksgiving break in Pattonville R-III School District?
Thanksgiving break for the 2026-2027 school year is from November 25 through November 27, 2026. Schools and district offices will be closed.
When is winter break in Pattonville R-III School District?
Winter break begins on December 23, 2026, and continues through January 4, 2027. Students return to school on January 5, 2027.
When is Christmas break in Pattonville R-III School District?
Christmas break is part of the winter break and runs from December 23 through December 31, 2026, with district offices closed on December 24 and 25.
When is spring break in Pattonville R-III School District?
Spring break for the 2026-2027 school year is scheduled from March 15 through March 19, 2027.
When is the last day of school in Pattonville R-III School District?
The projected last day of school for students in the 2026-2027 school year is May 27, 2027.
Are there any no-school staff development days during the 2026-2027 school year?
Yes. No-school staff development days are scheduled on October 19, 2026, February 12, 2027, and April 16, 2027.
Which holidays are observed with no school in Pattonville R-III School District?
Observed holidays with no school include Labor Day (September 7, 2026), Martin Luther King Jr. Day (January 18, 2027), Presidents Day (February 15, 2027), and Memorial Day (May 31, 2027).
Are there any early dismissal days during the 2026-2027 school year?
Yes. Early dismissal days occur on October 2, 2026; December 21–22, 2026; March 5, 2027; and May 26–27, 2027, primarily for staff collaboration, conferences, and finals.

Dates can change after publication. Read our calendar disclaimer.