Main Office

Students, parents, and visitors are welcome to visit Glenbrook South High School between 7 a.m. and 3:30 p.m.  All visitors to the school building are required to check in with the Visitor Center, provide a photo ID, and wear a visitor lanyard at all times.  Visitors are strongly encouraged to schedule an appointment in advance of visiting the school.

For general inquiries, please contact the receptionist at (847) 729-2000.