See the Glenbrook High School 2023-2024 Academic Calendar

Find out the important dates on the Glenbrook High School calendar.

Planning your family’s calendar during the school year can be difficult. Having your high school’s academic calendar on hand can make it a little bit easier. Here is the 2023-2024 school calendar as approved by the Glenbrook High School District 225 Board of Education.

A few key dates you’ll want to bookmark:

Important 2023-2024 school year dates

  • First Day of School: Aug. 24, 2023
  • Thanksgiving Break: Nov. 22-24, 2023
  • Winter Break: Dec. 25, 2023-Jan. 5, 2024
  • Spring Break: Mar. 25-29, 2024
  • Last Day of School: June 4, 2024

See the full calendar below or visit glenbrook225.org.

2023-2024 Glenbrook High School Calendar

August 2023  

  • N/A

September 2023  

  •  Labor Day – No School: Sept. 4, 2023
  • Fall Sports PE Waivers Due: Sept. 8, 2023
  • Last Day to Withdraw Without Record: Sept. 14, 2023
  • Non-Block Day: Sept. 20, 2023
  • Yom Kippur – No School: Sept. 25, 2023

October 2023

  • Columbus Day – No School: Oct. 9, 2023

November 2023  

  •  Last Day to Drop with a “W” Record: Nov. 2, 2023
  • Thanksgiving Break – No School: Nov. 22-24, 2023
  • Homework Free Zone: Nov. 27-28, 2023
  • Last Day to Declare Pass/Fail: Nov. 30, 2023

December 2023  

  • Winter Sports PE Waivers for First Semester Due: Dec. 1, 2023
  • Winter Break: Dec. 22, 2023 – Jan. 5, 2024

January 2024  

  • Homework Free Zone: Jan. 8-9, 2024
  • PowerSchool Gradebook Unvavailable: Jan. 12-28, 2024
  • Martin Luther King Day – No School: Jan. 15, 2024
  • First Semester Final Exam Day 1: Jan. 17, 2024
  • First Semester Final Exam Day 2: Jan. 18, 2024
  • Teacher Institute Day – No School: Jan. 19, 2024
  • First Semester Final Exams Day 3: Jan. 22, 2024
  • First Semester Final Exams Day 4: Jan. 23, 2024
  • Winter Sports PE Waivers for Second Semester Due: Jan. 26, 2024
  • Semester 1 Report Cards Released: Jan. 30, 2024

February 2024  

  • PE Waiver Due – Indoor Track Only: Feb. 2, 2024
  •  Last Day to Withdraw Without Record: Feb. 12, 2024
  • Presidents Day – No School: Feb. 19, 2024
  • Class of 2025 Summer School Registration Opens at 9 a.m.: Feb. 20, 2024
  • Class of 2026 Summer School Registration Opens at 9 a.m.: Feb. 21, 2024
  • Class of 2027 Summer School Registration Opens at 9 a.m.: Feb. 22, 2024
  • Class of 2028 Summer School Registration Opens at 9 a.m.: Feb. 23, 2024

March 2024  

  • Teacher Institute Day – No School: Mar. 4, 2024
  • Online Registration for Summer School Closes at 3 p.m.: Mar. 14, 2024
  • Summer School Registration Closes at 3 p.m.: Mar. 14, 2024
  • Spring Break: Mar. 25-29, 2024

April 2024  

  • Non-Glenbrook Student Registration Opens: Apr. 9, 2024
  • Last Day to pay Summer School Fees: Apr. 12, 2024

May 2024  

  • Last Day to Request a Refund for Summer School Fees: May 24, 2024
  • Memorial Day – No School: May 27, 2024
  • Second Semester Final Exams Day 1: May 30, 2024
  • Second Semester Final Exams Day 2: May 31, 2024

June 2024  

  • Second Semester Final Exams Day 3: Jun. 3, 2024
  • Summer School Schedules Released: Jun. 3, 2024
  • Last Day of School: Jun. 4, 2024
  • Second Semester Final Exams Day 4: Jun. 4, 2024
  •  Emergency Day: Jun. 5-11, 2024
  • Summer School – Semester 1 Begins: Jun. 10, 2024
  • Summer School – Semester 1 Ends: Jun. 27, 2024

July 2024  

  • Summer School – Semester 2 Begins: Jul. 8, 2024
  • Summer School – Semester 2 Ends: Jul. 25, 2024

2024 Summer School Dates To Be Determined


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Chicago Parent Editorial Team
Chicago Parent Editorial Team
Since 1984, the Chicago Parent editorial team is trained to be the go-to source for Chicagoland families, offering a rich blend of expert advice, compelling stories, and the top local activities for kids. Renowned for their award-winning content, the team of editors and writers are dedicated to enriching family life by connecting parents with the finest resources and experiences our community has to offer.

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