About Grayslake Middle School

School Hours:
Normal Day: 8:45 am – 3:15 pm
Late Start Day: 10:05 am – 3:15 pm
Half Day/Early Dismissal: 8:45 am – 11:45 am

School Office Hours:
7:30 am – 4:00 pm

Attendance Hotline:
(847) 223-3540 – x5103

Conferences:
November 25-26, 2024
March 19-20, 2025

2024-2025 Grading Periods:
August 21 – November 8
November 11 – February 21
February 24 – June 3

Report Cards Released Online:
November 22, 2024
March 7, 2025
June 3, 2025