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Chicago Heights School District 170 IL Calendar 26-27

  • 2026/27
  • Illinois
  • 3 teacher days

The Chicago Heights School District 170 2026–27 school year runs from Aug 19, 2026 to May 27, 2027. Breaks include Thanksgiving break Nov 25-27, winter break Dec 21-Jan 1, and spring break Mar 26-Apr 4. The table below lists all teacher workdays, early release days, and holidays. Download or print the calendar, or read the FAQs.

School year starts Wed, Aug 19, 2026 First Day of K-8 Student Attendance
School year ends Thu, May 27, 2027 Last Day of Student Attendance - Early Release 1:20 CHMS, 1:40 Feeder Schools
Next key date Wed, Aug 19, 2026 Counts down once the school year is under way

Chicago Heights School District 170 2026-27 calendar

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Chicago Heights School District 170 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 17-18, 2026 — Institute Days - Students not in Attendance
  • Aug 19, 2026 — First Day of K-8 Student Attendance
  • Aug 19-Oct 9, 2026 — Quarter 1

September 2026

  • Aug 19-Oct 9, 2026 — Quarter 1
  • Sep 7, 2026 — No School - Holiday - Labor Day
  • Sep 22, 2026 — Early Dismissal 10:40 CHMS, 11:00 Feeder Schools

October 2026

  • Aug 19-Oct 9, 2026 — Quarter 1
  • Oct 8, 2026 — Student-Led Parent-Teacher Conferences 3:00-6:05 PM - Full Student Attendance Day
  • Oct 9, 2026 — Student-Led Parent-Teacher Conferences 8:40-11:40 AM - No Student Attendance Day
  • Oct 12, 2026 — No School - Holiday - Indiginous People
  • Oct 13-Dec 18, 2026 — Quarter 2

November 2026

  • Oct 13-Dec 18, 2026 — Quarter 2
  • Nov 3, 2026 — No School - Election Day
  • Nov 24, 2026 — Early Release 1:20 CHMS, 1:40 Feeder Schools
  • Nov 25-27, 2026 — No School - Holiday - Thanksgiving Break - Classes resume on November 30, 2025

December 2026

  • Oct 13-Dec 18, 2026 — Quarter 2
  • Dec 18, 2026 — Early Release 1:20 CHMS, 1:40 Feeder Schools
  • Dec 21, 2026-Jan 1, 2027 — No School - Holiday - Winter Break - Classes resume on January 4, 2027

January 2027

  • Dec 21, 2026-Jan 1, 2027 — No School - Holiday - Winter Break - Classes resume on January 4, 2027
  • Jan 4-Mar 12, 2027 — Quarter 3
  • Jan 18, 2027 — No School - Holiday - Birthday of Martin Luther King, Jr.
  • Jan 28, 2027 — Early Dismissal 10:40 CHMS, 11:00 Feeder Schools

February 2027

  • Jan 4-Mar 12, 2027 — Quarter 3
  • Feb 11, 2027 — Student-Led Parent-Teacher Conferences 3:00-6:05 PM - Full Student Attendance Day
  • Feb 12, 2027 — Student-Led Parent-Teacher Conferences 8:40-11:40 AM - No Student Attendance Day
  • Feb 15, 2027 — No School - Holiday - President's Day (Washington's Birthday)
  • Feb 23, 2027 — No School - Institute Day

March 2027

  • Jan 4-Mar 12, 2027 — Quarter 3
  • Mar 15-May 27, 2027 — Quarter 4
  • Mar 25, 2027 — Early Release 1:20 CHMS, 1:40 Feeder Schools

April 2027

  • Mar 15-May 27, 2027 — Quarter 4
  • Apr 14, 2027 — Early Dismissal 10:40 CHMS, 11:00 Feeder Schools

May 2027

  • Mar 15-May 27, 2027 — Quarter 4
  • May 21, 2027 — Early Dismissal 10:40 CHMS, 11:00 Feeder Schools
  • May 25, 2027 — CHMS Graduation
  • May 27, 2027 — Last Day of Student Attendance - Early Release 1:20 CHMS, 1:40 Feeder Schools
  • May 31, 2027 — Holiday - Memorial Day

June 2027

  • Jun 18, 2027 — Juneteenth Observed

July 2027

Chicago Heights School District 170 teacher and staff days 2026/27

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

  • Aug 17-18, 2026 Institute Days - Students not in Attendance District source
  • Oct 28, 2026 No School - Institute Day District source
  • Feb 23, 2027 No School - Institute Day District source

Chicago Heights School District 170 breaks and holidays

School is closed to students on these dates.

  • Mar 26-Apr 4, 2026 No School - Spring Break - Classes resume on April 5, 2027 Break
  • Jul 3, 2026 Independence Day Observed Holiday
  • Sep 7, 2026 No School - Holiday - Labor Day Holiday
  • Oct 12, 2026 No School - Holiday - Indiginous People Holiday
  • Nov 3, 2026 No School - Election Day Holiday
  • Nov 25-27, 2026 No School - Holiday - Thanksgiving Break - Classes resume on November 30, 2025 Break
  • Dec 21, 2026-Jan 1, 2027 No School - Holiday - Winter Break - Classes resume on January 4, 2027 Break
  • Jan 18, 2027 No School - Holiday - Birthday of Martin Luther King, Jr. Holiday
  • Feb 15, 2027 No School - Holiday - President's Day (Washington's Birthday) Holiday
  • May 31, 2027 Holiday - Memorial Day Holiday
  • Jun 18, 2027 Juneteenth Observed Holiday

Your checked 2026/27 Chicago Heights School District 170 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 August 11, 2026.
Full term dates table

Chicago Heights School District 170 2026–27 calendar dates

DateEvent
Jul 3, 2026Independence Day Observed
Aug 17-18, 2026Institute Days - Students not in Attendance
Aug 19, 2026First Day of K-8 Student Attendance
Aug 19-Oct 9, 2026Quarter 1
Sep 7, 2026No School - Holiday - Labor Day
Sep 22, 2026Early Dismissal 10:40 CHMS, 11:00 Feeder Schools
Oct 8, 2026Student-Led Parent-Teacher Conferences 3:00-6:05 PM - Full Student Attendance Day
Oct 9, 2026Student-Led Parent-Teacher Conferences 8:40-11:40 AM - No Student Attendance Day
Oct 12, 2026No School - Holiday - Indiginous People
Oct 13-Dec 18, 2026Quarter 2
Oct 28, 2026No School - Institute Day
Nov 3, 2026No School - Election Day
Nov 24, 2026Early Release 1:20 CHMS, 1:40 Feeder Schools
Nov 25-27, 2026No School - Holiday - Thanksgiving Break - Classes resume on November 30, 2025
Dec 18, 2026Early Release 1:20 CHMS, 1:40 Feeder Schools
Dec 21, 2026-Jan 1, 2027No School - Holiday - Winter Break - Classes resume on January 4, 2027
Jan 4-Mar 12, 2027Quarter 3
Jan 18, 2027No School - Holiday - Birthday of Martin Luther King, Jr.
Jan 28, 2027Early Dismissal 10:40 CHMS, 11:00 Feeder Schools
Feb 11, 2027Student-Led Parent-Teacher Conferences 3:00-6:05 PM - Full Student Attendance Day
Feb 12, 2027Student-Led Parent-Teacher Conferences 8:40-11:40 AM - No Student Attendance Day
Feb 15, 2027No School - Holiday - President's Day (Washington's Birthday)
Feb 23, 2027No School - Institute Day
Mar 15-May 27, 2027Quarter 4
Mar 25, 2027Early Release 1:20 CHMS, 1:40 Feeder Schools
Mar 26-Apr 4, 2026No School - Spring Break - Classes resume on April 5, 2027
Apr 14, 2027Early Dismissal 10:40 CHMS, 11:00 Feeder Schools
May 21, 2027Early Dismissal 10:40 CHMS, 11:00 Feeder Schools
May 25, 2027CHMS Graduation
May 27, 2027Last Day of Student Attendance - Early Release 1:20 CHMS, 1:40 Feeder Schools
May 28-Jun 4, 2026Emergency Days if needed
May 31, 2027Holiday - Memorial Day
Jun 18, 2027Juneteenth Observed

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Chicago Heights School District 170 calendar FAQs

When is the first day of school in Chicago Heights School District 170 for 2026-2027?
The first day of K-8 student attendance in Chicago Heights School District 170 is August 19, 2026.
When is Spring Break in Chicago Heights School District 170 for 2026-2027?
The school calendar lists Spring Break from March 26 through April 4, 2026, with classes resuming on April 5, 2027.
When is Christmas Break in Chicago Heights School District 170 for 2026-2027?
The calendar does not list a separate Christmas Break. Winter Break runs from December 21, 2026 through January 1, 2027, with classes resuming January 4, 2027.
When is Winter Break in Chicago Heights School District 170 for 2026-2027?
Winter Break in Chicago Heights School District 170 is December 21, 2026 through January 1, 2027. Classes resume on January 4, 2027.
When is Thanksgiving Break in Chicago Heights School District 170 for 2026-2027?
Thanksgiving Break is November 25-27, 2026.
When is the last day of school in Chicago Heights School District 170 for 2026-2027?
The last day of student attendance is May 27, 2027, with an early release at 1:20 PM for CHMS and 1:40 PM for feeder schools.
When is Labor Day in Chicago Heights School District 170 for 2026-2027?
There is no school on September 7, 2026 for the Labor Day holiday.
When are the first Institute Days in Chicago Heights School District 170 for 2026-2027?
Institute Days are August 17-18, 2026, and students are not in attendance.
When are Parent-Teacher Conferences in Chicago Heights School District 170 for 2026-2027?
Student-led Parent-Teacher Conferences are October 8-9, 2026 and February 11-12, 2027. October 8 and February 11 are full student attendance days, while October 9 and February 12 are no-student-attendance days.
Is there school on Election Day in Chicago Heights School District 170 for 2026-2027?
No. There is no school on November 3, 2026 for Election Day.
When is Martin Luther King Jr. Day in Chicago Heights School District 170 for 2026-2027?
There is no school on January 18, 2027 in observance of the Birthday of Martin Luther King, Jr.
When is Presidents' Day in Chicago Heights School District 170 for 2026-2027?
There is no school on February 15, 2027 for President's Day (Washington's Birthday).
When is CHMS Graduation in Chicago Heights School District 170 for 2026-2027?
CHMS Graduation is scheduled for May 25, 2027.
When is Memorial Day in Chicago Heights School District 170 for 2026-2027?
Memorial Day is May 31, 2027.
When is Juneteenth observed in Chicago Heights School District 170 for 2026-2027?
Juneteenth is observed on June 18, 2027.

Dates can change after publication. Read our calendar disclaimer.