This website allows you to view ALL school event dates or to categorize your list by choosing any any event (band, FFA, sports, etc) and any level.  You can also have notifications, reminders, and schedule changes sent to your email or cell phone by clicking the below link.  Select the "notify me" icon in the upper right corner and follow the steps for notification.

School Events Calendar

Below is the West Lyon School Calendar showing days in session, early dismissal days, and vacation days.