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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 2025-2026 school year. Summer school course payments may be made during the registration process or at a later date. Any balance outstanding balance as of Thursday, February 27, 2025, will be emailed to the student’s parent/guardian.  All payments must be made no later than Tuesday, March 18, 2025. 

If an open balance remains after March 18, 2025, then a student’s registration will be canceled for non-payment. 
Full refund requests may be submitted through Friday, May 23, 2025. No refunds will be issued after May 23, 2025.

NEW Online registration dates:

Class of 2026:  February 3, 2025, at 9:00 AM

Class of 2027: February 4, 2025, at 9:00 AM

Class of 2028: February 5, 2025, at 9:00 AM

Class of 2029: February 6, 2025, at 9:00 AM

Note: Online System Closes on Friday, February 21, 2025, 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/Email Registration Begins Tuesday, April 1, 2025

Course Guide & Registration              

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.

Summer School Important Dates

Semester 1
  • Monday, June 9 - Thursday, June 26
    • There will be no classes on Thursday, June 19, 2025 due to state/federal holiday. Class will take place on Friday, June 20, 2025.
Semester 2
  • Monday, July 7 - Thursday, July 24

Important Information

Location
  • 2025 summer school will take place at Glenbrook South High School.
Hours
  • 8 a.m. - 1:30 p.m.
Parking
  • Students should park in the west end student lot, by the stadium. All drop off and pick up should be at the main entrance Door A, or Door O.
Class information
  • Schedules will be emailed the week of June 2.

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