Official School Calendar for Academic Year 2026–2027
Grayslake Community High School D127 2026–27 calendar dates
| Date | Event |
|---|---|
| Aug 5-7, 2026 | New Staff Orientation |
| Aug 10-11, 2026 | Staff Institute Day - No School |
| Aug 12, 2026 | First Day of Student Attendance |
| Sep 7, 2026 | Labor Day - No School |
| Sep 21, 2026 | Yom Kippur - No School |
| Oct 8, 2026 | Family-Educator Conference Evening |
| Oct 9, 2026 | Family-Educator Conference - No Student Attendance |
| Oct 12, 2026 | Indigenous Peoples Day |
| Nov 3, 2026 | Election Day - No School |
| Nov 25-27, 2026 | Thanksgiving Break - No School |
| Dec 21, 2026 | Winter Break Begins - No School |
| Dec 21, 2026 | End of Semester |
| Jan 4, 2027 | School Resumes |
| Jan 18, 2027 | MLK Day - No School |
| Feb 15, 2027 | President’s Day - No School |
| Feb 16, 2027 | Staff Institute Day - No School |
| Mar 22-26, 2027 | Spring Break - No School |
| Mar 26, 2027 | Good Friday - No School |
| Apr 14, 2027 | Testing Day #1 |
| Apr 15, 2027 | Testing Day #2 |
| 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 |
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.
Dates can change after publication. Read our calendar disclaimer.