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 – opt. 3

Conferences:
November 20-21, 2023
March 20-21, 2024

2023-2024 Grading Periods:
August 23 – November 9
November 13 – February 23
February 26 – May 31

Report Cards Released Online:
November 17, 2023
March 8, 2024
May 31, 2024