A Tradition of Excellence
8:00 AM - 4:00 PM Office Hours
End of Marking Period 4/Semester 2
Last Day of School for Students
Last Day for Staff
Please call 810-591-7915 to report absences
(available 24 hours a day)
Main Office
(810) 591-7910
——
Attendance Hotline
(810) 591-7915
Available 24 hours a day
Fax Number
(810) 591-7916
Cafeteria
(810) 591-7914
Library
(810) 591-7926
Full Day
8:40 am - 3:50 pm
Half Day
8:40 am - 12:17 pm
Late Start Day
11:00 am - 3:50 pm
The Cook Office hours are 8:00am-4:30pm. If you have questions, you can give us a call during those hours at 810-591-7910 and we will be happy to assist you.
Online Registration
Online Enrollment is now available for 2022-2023 school year. Please visit the online enrollment help site for more information.
Now available for download in the App Store and the Google Play Store. Visit https://www.gbcs.org/mobileapp for more information.