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Grayslake Community High School D127 IL Calendar 26-27

  • 2026/27
  • Illinois
  • 3 teacher days

The Grayslake Community High School D127 2026–27 school year runs from Aug 12, 2026 to May 20, 2027. Breaks include Thanksgiving break Nov 25-27, winter break Dec 21, and spring break Mar 22-26. The table below lists all teacher workdays and holidays. Download the PDF calendar, or read the FAQs.

School year starts Wed, Aug 12, 2026 First Day of Student Attendance
School year ends Wed, May 26, 2027 Last Day of School (All Emergency Days Used)
Next key date Wed, Aug 12, 2026 Counts down once the school year is under way

Grayslake Community High School D127 2026-27 calendar

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

Grayslake Community High School D127 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
  • Testing / exams
  • Other scheduled date

August 2026

  • Aug 5-7, 2026 — New Staff Orientation
  • Aug 10-11, 2026 — Staff Institute Day - No School
  • Aug 12, 2026 — First Day of Student Attendance

September 2026

  • Sep 7, 2026 — Labor Day - No School
  • Sep 21, 2026 — Yom Kippur - No School

October 2026

  • Oct 8, 2026 — Family-Educator Conference Evening
  • Oct 9, 2026 — Family-Educator Conference - No Student Attendance
  • Oct 12, 2026 — Indigenous Peoples Day

November 2026

  • Nov 3, 2026 — Election Day - No School
  • Nov 25-27, 2026 — Thanksgiving Break - No School

December 2026

  • Dec 21, 2026 — Winter Break Begins - No School
  • Dec 21, 2026 — End of Semester

January 2027

  • Jan 4, 2027 — School Resumes
  • Jan 18, 2027 — MLK Day - No School

February 2027

  • Feb 15, 2027 — President’s Day - No School
  • Feb 16, 2027 — Staff Institute Day - No School

March 2027

  • Mar 22-26, 2027 — Spring Break - No School
  • Mar 26, 2027 — Good Friday - No School

April 2027

  • Apr 14, 2027 — Testing Day #1
  • Apr 15, 2027 — Testing Day #2

May 2027

  • May 7, 2027 — Prom - Half Day
  • May 20, 2027 — Last Day of School (No Emergency Days Used)
  • May 26, 2027 — Last Day of School (All Emergency Days Used)
  • May 31, 2027 — Memorial Day - No School

June 2027

July 2027

Grayslake Community High School D127 teacher and staff days 2026/27

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

  • Aug 5-7, 2026 New Staff Orientation District source
  • Aug 10-11, 2026 Staff Institute Day - No School District source
  • Feb 16, 2027 Staff Institute Day - No School District source

Grayslake Community High School D127 breaks and holidays

School is closed to students on these dates.

  • Sep 7, 2026 Labor Day - No School Holiday
  • Sep 21, 2026 Yom Kippur - No School Holiday
  • Oct 12, 2026 Indigenous Peoples Day Holiday
  • Nov 3, 2026 Election Day - No School Holiday
  • Nov 25-27, 2026 Thanksgiving Break - No School Break
  • Dec 21, 2026 Winter Break Begins - No School Break
  • Jan 18, 2027 MLK Day - No School Holiday
  • Feb 15, 2027 President’s Day - No School Holiday
  • Mar 22-26, 2027 Spring Break - No School Break
  • Mar 26, 2027 Good Friday - No School Holiday
  • May 31, 2027 Memorial Day - No School Holiday

Your checked 2026/27 Grayslake Community High School D127 planning calendar

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

Useful now24 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 April 18, 2026.
Full term dates table

Grayslake Community High School D127 2026–27 calendar dates

DateEvent
Aug 5-7, 2026New Staff Orientation
Aug 10-11, 2026Staff Institute Day - No School
Aug 12, 2026First Day of Student Attendance
Sep 7, 2026Labor Day - No School
Sep 21, 2026Yom Kippur - No School
Oct 8, 2026Family-Educator Conference Evening
Oct 9, 2026Family-Educator Conference - No Student Attendance
Oct 12, 2026Indigenous Peoples Day
Nov 3, 2026Election Day - No School
Nov 25-27, 2026Thanksgiving Break - No School
Dec 21, 2026Winter Break Begins - No School
Dec 21, 2026End of Semester
Jan 4, 2027School Resumes
Jan 18, 2027MLK Day - No School
Feb 15, 2027President’s Day - No School
Feb 16, 2027Staff Institute Day - No School
Mar 22-26, 2027Spring Break - No School
Mar 26, 2027Good Friday - No School
Apr 14, 2027Testing Day #1
Apr 15, 2027Testing Day #2
May 7, 2027Prom - Half Day
May 20, 2027Last Day of School (No Emergency Days Used)
May 26, 2027Last Day of School (All Emergency Days Used)
May 31, 2027Memorial Day - No School

Grayslake Community High School District 127 Calendar 2026-2027 FAQs

When is the first day of school in Grayslake Community High School District 127 for 2026-2027?
The first day of student attendance is August 12, 2026.
When is spring break in Grayslake Community High School District 127 for 2026-2027?
Spring break is from March 22 to March 26, 2027.
When is Christmas break in Grayslake Community High School District 127 for 2026-2027?
Christmas break begins on December 21, 2026.
When is winter break in Grayslake Community High School District 127 for 2026-2027?
Winter break starts on December 21, 2026 and school resumes on January 4, 2027.
When is Thanksgiving break in Grayslake Community High School District 127 for 2026-2027?
Thanksgiving break is from November 25 to November 27, 2026.
When is the last day of school in Grayslake Community High School District 127 for 2026-2027?
The last day of school is May 20, 2027 (if no emergency days are used) or May 26, 2027 (if emergency days are used).
When is Labor Day in Grayslake Community High School District 127 for 2026-2027?
Labor Day is on September 7, 2026, and there is no school.
When is MLK Day in Grayslake Community High School District 127 for 2026-2027?
MLK Day is on January 18, 2027, and there is no school.
When is Presidents’ Day in Grayslake Community High School District 127 for 2026-2027?
Presidents’ Day is on February 15, 2027, and there is no school.
When does school resume after winter break in Grayslake Community High School District 127?
School resumes on January 4, 2027.
When is Good Friday in Grayslake Community High School District 127 for 2026-2027?
Good Friday is on March 26, 2027, and there is no school.
When is Memorial Day in Grayslake Community High School District 127 for 2026-2027?
Memorial Day is on May 31, 2027, and there is no school.

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Grayslake Community High School D127 calendar FAQs

When is the first day of school in Grayslake Community High School District 127 for 2026-2027?
The first day of student attendance is August 12, 2026.
When is spring break in Grayslake Community High School District 127 for 2026-2027?
Spring break is from March 22 to March 26, 2027.
When is Christmas break in Grayslake Community High School District 127 for 2026-2027?
Christmas break begins on December 21, 2026.
When is winter break in Grayslake Community High School District 127 for 2026-2027?
Winter break starts on December 21, 2026 and school resumes on January 4, 2027.
When is Thanksgiving break in Grayslake Community High School District 127 for 2026-2027?
Thanksgiving break is from November 25 to November 27, 2026.
When is the last day of school in Grayslake Community High School District 127 for 2026-2027?
The last day of school is May 20, 2027 (if no emergency days are used) or May 26, 2027 (if emergency days are used).
When is Labor Day in Grayslake Community High School District 127 for 2026-2027?
Labor Day is on September 7, 2026, and there is no school.
When is MLK Day in Grayslake Community High School District 127 for 2026-2027?
MLK Day is on January 18, 2027, and there is no school.
When is Presidents’ Day in Grayslake Community High School District 127 for 2026-2027?
Presidents’ Day is on February 15, 2027, and there is no school.
When does school resume after winter break in Grayslake Community High School District 127?
School resumes on January 4, 2027.
When is Good Friday in Grayslake Community High School District 127 for 2026-2027?
Good Friday is on March 26, 2027, and there is no school.
When is Memorial Day in Grayslake Community High School District 127 for 2026-2027?
Memorial Day is on May 31, 2027, and there is no school.

Dates can change after publication. Read our calendar disclaimer.