About Grayslake Middle School

School Hours:
Normal Day: 8:45 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

Email the Office: [email protected]

Conferences:
October 8-9, 2026
February 11, 2027

2026-2027 Grading Periods:
August 19 – November 13
November 16 – February 26
March 1 – May 28

Report Cards Released Online:
November 24, 2026
March 12, 2027
May 28, 2027