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Summer School

Each year Glenbrook High School District 225 offers a summer school program for students who want to earn credit in core academic areas, recover credit for a course previously taken, or participate in enrichment courses. Enrollment in summer school is optional, tuition-based, and requires parents to complete the registration process.

Registration & Payment

Summer school registration dates and times are linked to the student’s grade level for the 2026-2027 school year. New this year: summer school course payment will be collected at the time of registration. Students registering as "waitlisted" do not need to submit payment at the time of registration. 


Full refund requests may be submitted through Friday, May 22, 2026. No refunds will be issued after May 22, 2026.

Online registration dates:

Class of 2027:  January 13, 2026, at 9 a.m.

Class of 2028: January 14, 2026, at 9 a.m.

Class of 2029: January 15, 2026, at 9 a.m.

Class of 2030: January 16, 2026, at 9 a.m.

Note: The Online Registration System Closes on Friday, April 3, 2026 at 3 PM. 

Please email or call the summer school office to register after the deadline: 
summerschool@glenbrook225.org or 847-486-4748; 


Please provide the student name, ID, and the course(s) they wish to register for

Non-Residents (All Grades): In-person and email registration begins Monday, March 16, 2026. 

Summer School Important Dates

Semester 1
  • Monday, June 8, 2026 - Thursday, June 25, 2026
Semester 2
  • Monday, July 6, 2026 - Thursday, July 23, 2026

Important Information

Location
  • 2026 summer school will take place at Glenbrook North High School.
Hours
  • Monday - Thursday
  • 8 AM - 1:30 p.m.
    • Unless otherwise noted
Parking
  • Students should park in the North end student lot. All drop off and pick up should be at the main entrance Door A, or Door GG located in the North lot.
  • Do NOT park, drop-off, or pick-up in the Maple/D30 parking lot.
Class information
  • Schedules will be emailed: the week of June 1, 2026.
Chromebook pick-up (Incoming freshman)
  • Where: Glenbrook North bookstore
  • When:  Thursday, June 4, from 8 AM to 3:30 p.m. & Monday, June 8, from 7:30 a.m. to 3:30 p.m. - First day of Summer School. 

Course Guide & Registration

View course Guide  

Course Guide will be updated as needed.

REGISTER 

This link will activate on January 13, 2026

How to Register

Glenbrook students may register for summer school courses using the online registration system at summerschool.glenbrook225.org. Please note that the system will open at 9 a.m. on your student’s assigned registration date.

When registering, all Glenbrook students—including incoming freshmen—should select “I am a Current Glenbrook Student or Parent” and then choose “Register for Programs.”

Parents/guardians will need their child’s Glenbrook High School student ID number and birthdate (MM/DD/YYYY e.g., 04/14/2011) to complete registration.

Once logged in, select “Choose a Program to View Activities/Courses” and pick Summer School from the drop-down menu.

All courses for which your student is eligible will appear on their registration screen. Prior approval is required for students registering for English or Math for grade recovery.

Registration Steps - NEW This Year - Payment is Required at the time of registration

  1. Select +Register next to the desired course(s). (Students may enroll in one course per semester.)
  2. Select Add to Cart.
  3. Follow the on-screen prompts to complete your payment using a credit card, debit card, or e-check. There are no additional fees for credit or debit transactions.
  4. If a course is full, select Add to Waitlist - No Payment is Required

If you do not have access to a device with internet capability, computers are available Monday through Friday, 9 a.m. – 3:30 p.m., at the District Administration Building (3801 W. Lake Avenue, Glenview).

When registering for summer school all Glenbrook Students, including incoming Freshman, should select "I am a Current Glenbrook Student or Parent"

Have a question or need assistance? 

 

Our Summer School Office will be happy to assist you! They are available by email at summerschool@glenbrook225.org or (847) 486-4748.

Students are highly encouraged to take advantage of our summer school program for the following reasons:

  • Credit Recovery – If a student has missed a course or received a failing grade, summer school provides the opportunity to make up these credits and get back on track.

  • Accelerated Learning – Our summer school courses offer students the chance to get ahead in their course work by taking additional courses and enhancing their education.

  • Focused Attention – Summer school provides extra time and attention for students who may struggle with certain subjects, allowing them to deepen their understanding and improve.

  • Summer learning retention – To avoid summer learning loss, our summer school courses keep students engaged and help them maintain academic progress.

Additional Information About Summer School

Frequently Asked Questions of Summer School