Grandville High School Regular Day
| Description / Period | Start Time | End Time | Length |
|---|---|---|---|
| 1A Hour | 6:49 AM | 7:45 AM | 56 min |
| 1st Hour | 7:50 AM | 8:48 AM | 58 min |
| 2nd Hour (includes announcements) | 8:53 AM | 10:02 AM | 69 min |
| 3rd Hour | 10:07 AM | 11:05 AM | 58 min |
| 4th Hour includes lunch | 11:10 AM | 12:38 PM | 88 min |
| 5th Hour | 12:43 PM | 1:41 PM | 58 min |
| 6th Hour | 1:46 PM | 2:44 PM | 58 min |