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ARBOR PARK SCHOOL DISTRICT 145 IL Calendar 26-27

  • 2026/27
  • Illinois
  • 1 teacher day

The ARBOR PARK SCHOOL DISTRICT 145 2026–27 school year runs from Sep 8, 2026 to Jun 11, 2027. Breaks include Thanksgiving break Nov 25-27, winter break Dec 21-31, and spring break Mar 29-31. The table below lists all teacher workdays and holidays. Download the PDF calendar, or read the FAQs.

School year starts Tue, Sep 8, 2026 First Day of School
School year ends Fri, Jun 11, 2027 Last Day of School
Next key date Tue, Sep 8, 2026 Counts down once the school year is under way

ARBOR PARK SCHOOL DISTRICT 145 2026-27 calendar

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ARBOR PARK SCHOOL DISTRICT 145 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
  • Parent-teacher conference
  • Grading period / report cards
  • Weather make-up day

August 2026

September 2026

  • Sep 1, 2026 — Teacher Institute
  • Sep 7, 2026 — Labor Day (School Holiday)
  • Sep 8, 2026 — First Day of School

October 2026

  • Oct 12, 2026 — Columbus Day (School Holiday)

November 2026

  • Nov 20, 2026 — End of Grading Period
  • Nov 23-24, 2026 — Parent/Teacher Conferences
  • Nov 25-27, 2026 — Thanksgiving Break (No Student Attendance / Holiday)

December 2026

  • Dec 21-31, 2026 — Winter Break (No Student Attendance)

January 2027

  • Jan 1, 2027 — New Year's Day (School Holiday)
  • Jan 8, 2027 — School Resumes After Winter Break
  • Jan 18, 2027 — Martin Luther King Jr. Day (School Holiday)

February 2027

  • Feb 22, 2027 — Presidents' Day (School Holiday)

March 2027

  • Mar 12, 2027 — End of Grading Period
  • Mar 29-31, 2027 — Spring Break (No Student Attendance)

April 2027

  • Apr 1-2, 2027 — Spring Break (No Student Attendance)

May 2027

  • May 31, 2027 — Memorial Day (School Holiday)

June 2027

  • Jun 14-17, 2027 — Emergency Days (If Needed)
  • Jun 18, 2027 — School Holiday
  • Jun 11, 2027 — Last Day of School

July 2027

ARBOR PARK SCHOOL DISTRICT 145 teacher and staff days 2026/27

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

  • Sep 1, 2026 Teacher Institute District source

ARBOR PARK SCHOOL DISTRICT 145 breaks and holidays

School is closed to students on these dates.

  • Sep 7, 2026 Labor Day (School Holiday) Holiday
  • Oct 12, 2026 Columbus Day (School Holiday) Holiday
  • Nov 25-27, 2026 Thanksgiving Break (No Student Attendance / Holiday) Break
  • Dec 21-31, 2026 Winter Break (No Student Attendance) Break
  • Jan 1, 2027 New Year's Day (School Holiday) Holiday
  • Jan 8, 2027 School Resumes After Winter Break Break
  • Jan 18, 2027 Martin Luther King Jr. Day (School Holiday) Holiday
  • Feb 22, 2027 Presidents' Day (School Holiday) Holiday
  • Mar 29-31, 2027 Spring Break (No Student Attendance) Break
  • Apr 1-2, 2027 Spring Break (No Student Attendance) Break
  • May 31, 2027 Memorial Day (School Holiday) Holiday
  • Jun 18, 2027 School Holiday Holiday

Your checked 2026/27 ARBOR PARK SCHOOL DISTRICT 145 planning calendar

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

Useful now19 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 July 12, 2026.
Full term dates table

ARBOR PARK SCHOOL DISTRICT 145 2026–27 calendar dates

DateEvent
Sep 1, 2026Teacher Institute
Sep 7, 2026Labor Day (School Holiday)
Sep 8, 2026First Day of School
Oct 12, 2026Columbus Day (School Holiday)
Nov 20, 2026End of Grading Period
Nov 23-24, 2026Parent/Teacher Conferences
Nov 25-27, 2026Thanksgiving Break (No Student Attendance / Holiday)
Dec 21-31, 2026Winter Break (No Student Attendance)
Jan 1, 2027New Year's Day (School Holiday)
Jan 8, 2027School Resumes After Winter Break
Jan 18, 2027Martin Luther King Jr. Day (School Holiday)
Feb 22, 2027Presidents' Day (School Holiday)
Mar 12, 2027End of Grading Period
Mar 29-31, 2027Spring Break (No Student Attendance)
Apr 1-2, 2027Spring Break (No Student Attendance)
May 31, 2027Memorial Day (School Holiday)
Jun 14-17, 2027Emergency Days (If Needed)
Jun 18, 2027School Holiday
Jun 11, 2027Last Day of School

ARBOR PARK SCHOOL DISTRICT 145 Calendar 26-27 Revised FAQs

When is the first day of school in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
The first day of school for students in ARBOR PARK SCHOOL DISTRICT 145 for the 2026-2027 school year is September 8, 2026 (Tuesday).
When is Spring Break in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
Spring Break is scheduled from March 29, 2027 through April 2, 2027. Students return to school after the break according to the district calendar.
When is Christmas Break in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
Christmas Break begins on December 21, 2026 and continues through January 7, 2027. Classes resume on January 8, 2027.
When is Winter Break in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
Winter Break is observed from December 21, 2026 through January 7, 2027, with students returning on January 8, 2027.
When is Thanksgiving Break in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
Thanksgiving Break is observed from November 25-27, 2026. Parent/Teacher Conferences are scheduled for November 23-24, 2026.
When is the last day of school in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
The last scheduled day of school is June 11, 2027 (Friday).
When are Parent/Teacher Conferences in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
Parent/Teacher Conferences are scheduled for November 23-24, 2026.
When is Labor Day observed in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
Labor Day is observed on September 7, 2026, and there is no school.
When is Martin Luther King Jr. Day in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
Martin Luther King Jr. Day is observed on January 18, 2027, and schools are closed.
When is Presidents' Day in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
Presidents' Day is observed on February 22, 2027, and there is no school.
When is Memorial Day in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
Memorial Day falls on May 31, 2027, and schools are closed.
Are there emergency days built into the ARBOR PARK SCHOOL DISTRICT 145 Calendar 2026-2027?
Yes. The district has designated June 14-17, 2027 as proposed emergency days if they are needed due to weather or other school closures.

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ARBOR PARK SCHOOL DISTRICT 145 calendar FAQs

When is the first day of school in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
The first day of school for students in ARBOR PARK SCHOOL DISTRICT 145 for the 2026-2027 school year is September 8, 2026 (Tuesday).
When is Spring Break in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
Spring Break is scheduled from March 29, 2027 through April 2, 2027. Students return to school after the break according to the district calendar.
When is Christmas Break in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
Christmas Break begins on December 21, 2026 and continues through January 7, 2027. Classes resume on January 8, 2027.
When is Winter Break in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
Winter Break is observed from December 21, 2026 through January 7, 2027, with students returning on January 8, 2027.
When is Thanksgiving Break in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
Thanksgiving Break is observed from November 25-27, 2026. Parent/Teacher Conferences are scheduled for November 23-24, 2026.
When is the last day of school in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
The last scheduled day of school is June 11, 2027 (Friday).
When are Parent/Teacher Conferences in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
Parent/Teacher Conferences are scheduled for November 23-24, 2026.
When is Labor Day observed in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
Labor Day is observed on September 7, 2026, and there is no school.
When is Martin Luther King Jr. Day in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
Martin Luther King Jr. Day is observed on January 18, 2027, and schools are closed.
When is Presidents' Day in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
Presidents' Day is observed on February 22, 2027, and there is no school.
When is Memorial Day in ARBOR PARK SCHOOL DISTRICT 145 for 2026-2027?
Memorial Day falls on May 31, 2027, and schools are closed.
Are there emergency days built into the ARBOR PARK SCHOOL DISTRICT 145 Calendar 2026-2027?
Yes. The district has designated June 14-17, 2027 as proposed emergency days if they are needed due to weather or other school closures.

Dates can change after publication. Read our calendar disclaimer.