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District 300 IL Calendar 26-27

  • 2026/27
  • Illinois
  • 6 teacher days

The District 300 2026–27 school year runs from August 11, 2026 to May 21, 2027. Breaks include winter break December 21 - January 1, spring break March 29 - April 2, and fall break November 25-27. The table below lists all teacher workdays and holidays. Download the PDF calendar, or read the FAQs.

School year starts Tue, Aug 11, 2026 First Day of School
School year ends Fri, May 21, 2027 Last Day of School (If No Emergency Days Used)
Next key date Tue, Aug 11, 2026 Counts down once the school year is under way

District 300 2026-27 calendar

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District 300 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
  • Grading period / report cards
  • Graduation
  • Weather make-up day
  • Other scheduled date

August 2026

  • August 6, 2026 — Teacher Institute (No Student Attendance)
  • August 7, 2026 — Teacher Institute (No Student Attendance)
  • August 10, 2026 — Teacher Institute (No Student Attendance)
  • August 11, 2026 — First Day of School

September 2026

  • September 2, 2026 — Late Start Day
  • September 7, 2026 — Labor Day - Offices/Schools Closed
  • September 30, 2026 — Late Start Day

October 2026

  • October 8, 2026 — End of Quarter
  • October 9, 2026 — No Student/No Instructional Staff Attendance
  • October 12, 2026 — District Holiday - Offices/Schools Closed
  • October 30, 2026 — Teacher Institute (No Student Attendance)

November 2026

  • November 23-24, 2026 — Parent-Teacher Conferences (No Student Attendance)
  • November 25-27, 2026 — Fall Break - Offices/Schools Closed

December 2026

  • December 9, 2026 — Late Start Day
  • December 18, 2026 — End of Quarter/Semester
  • December 21, 2026 - January 1, 2027 — Winter Break (No Student Attendance)

January 2027

  • December 21, 2026 - January 1, 2027 — Winter Break (No Student Attendance)
  • January 13, 2027 — Late Start Day
  • January 18, 2027 — Martin Luther King Day - Offices/Schools Closed

February 2027

  • February 12, 2027 — No Student Attendance / Emergency Make-up Day
  • February 15, 2027 — Presidents Day - Offices/Schools Closed
  • February 26, 2027 — Teacher Institute (No Student Attendance)

March 2027

  • March 3, 2027 — Late Start Day
  • March 12, 2027 — End of Quarter
  • March 26, 2027 — District Holiday - Offices/Schools Closed
  • March 29 - April 2, 2027 — Spring Break (No Student Attendance)

April 2027

  • March 29 - April 2, 2027 — Spring Break (No Student Attendance)
  • April 30, 2027 — Teacher Institute (No Student Attendance)

May 2027

  • May 12, 2027 — Late Start Day
  • May 21, 2027 — Last Day of School (If No Emergency Days Used)
  • May 22, 2027 — High School Graduation
  • May 24-27, 2027 — Emergency Make-up Days
  • May 27, 2027 — Last Possible Day of School

June 2027

July 2027

District 300 teacher and staff days 2026/27

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

  • August 6, 2026 Teacher Institute (No Student Attendance) District source
  • August 7, 2026 Teacher Institute (No Student Attendance) District source
  • August 10, 2026 Teacher Institute (No Student Attendance) District source
  • October 30, 2026 Teacher Institute (No Student Attendance) District source
  • February 26, 2027 Teacher Institute (No Student Attendance) District source
  • April 30, 2027 Teacher Institute (No Student Attendance) District source

District 300 breaks and holidays

School is closed to students on these dates.

  • July 3, 2026 Independence Day - Offices/Schools Closed Holiday
  • September 7, 2026 Labor Day - Offices/Schools Closed Holiday
  • October 12, 2026 District Holiday - Offices/Schools Closed Holiday
  • November 25-27, 2026 Fall Break - Offices/Schools Closed Break
  • December 21, 2026 - January 1, 2027 Winter Break (No Student Attendance) Break
  • January 18, 2027 Martin Luther King Day - Offices/Schools Closed Holiday
  • February 15, 2027 Presidents Day - Offices/Schools Closed Holiday
  • March 26, 2027 District Holiday - Offices/Schools Closed Holiday
  • March 29 - April 2, 2027 Spring Break (No Student Attendance) Break
  • May 31, 2027 Memorial Day - Offices/Schools Closed Holiday

Your checked 2026/27 District 300 planning calendar

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

Useful now33 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 12, 2026.
Full term dates table

District 300 2026–27 calendar dates

DateEvent
July 3, 2026Independence Day - Offices/Schools Closed
August 6, 2026Teacher Institute (No Student Attendance)
August 7, 2026Teacher Institute (No Student Attendance)
August 10, 2026Teacher Institute (No Student Attendance)
August 11, 2026First Day of School
September 2, 2026Late Start Day
September 7, 2026Labor Day - Offices/Schools Closed
September 30, 2026Late Start Day
October 8, 2026End of Quarter
October 9, 2026No Student/No Instructional Staff Attendance
October 12, 2026District Holiday - Offices/Schools Closed
October 30, 2026Teacher Institute (No Student Attendance)
November 23-24, 2026Parent-Teacher Conferences (No Student Attendance)
November 25-27, 2026Fall Break - Offices/Schools Closed
December 9, 2026Late Start Day
December 18, 2026End of Quarter/Semester
December 21, 2026 - January 1, 2027Winter Break (No Student Attendance)
January 13, 2027Late Start Day
January 18, 2027Martin Luther King Day - Offices/Schools Closed
February 12, 2027No Student Attendance / Emergency Make-up Day
February 15, 2027Presidents Day - Offices/Schools Closed
February 26, 2027Teacher Institute (No Student Attendance)
March 3, 2027Late Start Day
March 12, 2027End of Quarter
March 26, 2027District Holiday - Offices/Schools Closed
March 29 - April 2, 2027Spring Break (No Student Attendance)
April 30, 2027Teacher Institute (No Student Attendance)
May 12, 2027Late Start Day
May 21, 2027Last Day of School (If No Emergency Days Used)
May 22, 2027High School Graduation
May 24-27, 2027Emergency Make-up Days
May 27, 2027Last Possible Day of School
May 31, 2027Memorial Day - Offices/Schools Closed

District 300 Calendar 26-27 Revised FAQs

When is the first day of school in District 300 2026-2027?
The first day of school in District 300 for the 2026-2027 school year is August 11, 2026.
When is spring break in District 300 2026-2027?
Spring break in District 300 runs from March 29 to April 2, 2027.
When is Christmas break in District 300 2026-2027?
Christmas break in District 300 begins on December 21, 2026 and continues through January 1, 2027.
When is winter break in District 300 2026-2027?
Winter break in District 300 is scheduled from December 21, 2026 to January 1, 2027.
When is Thanksgiving break in District 300 2026-2027?
Thanksgiving break in District 300 is from November 25 to November 27, 2026.
When is the last day of school in District 300 2026-2027?
The last day of school is May 21, 2027, if no emergency days are used. The last possible day is May 27, 2027.
When is Labor Day in District 300 2026-2027?
Labor Day will be observed on September 7, 2026, and schools will be closed.
When is winter semester end in District 300 2026-2027?
The first semester ends on December 18, 2026.
When is Martin Luther King Jr. Day in District 300 2026-2027?
Martin Luther King Jr. Day will be observed on January 18, 2027, and schools will be closed.
When is the graduation date for District 300 2026-2027?
The high school graduation date is May 22, 2027.

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District 300 calendar FAQs

When is the first day of school in District 300 2026-2027?
The first day of school in District 300 for the 2026-2027 school year is August 11, 2026.
When is spring break in District 300 2026-2027?
Spring break in District 300 runs from March 29 to April 2, 2027.
When is Christmas break in District 300 2026-2027?
Christmas break in District 300 begins on December 21, 2026 and continues through January 1, 2027.
When is winter break in District 300 2026-2027?
Winter break in District 300 is scheduled from December 21, 2026 to January 1, 2027.
When is Thanksgiving break in District 300 2026-2027?
Thanksgiving break in District 300 is from November 25 to November 27, 2026.
When is the last day of school in District 300 2026-2027?
The last day of school is May 21, 2027, if no emergency days are used. The last possible day is May 27, 2027.
When is Labor Day in District 300 2026-2027?
Labor Day will be observed on September 7, 2026, and schools will be closed.
When is winter semester end in District 300 2026-2027?
The first semester ends on December 18, 2026.
When is Martin Luther King Jr. Day in District 300 2026-2027?
Martin Luther King Jr. Day will be observed on January 18, 2027, and schools will be closed.
When is the graduation date for District 300 2026-2027?
The high school graduation date is May 22, 2027.

Dates can change after publication. Read our calendar disclaimer.