2550 Harnish Drive, Algonquin, IL 60102
Phone: 847.551.8300
8am to 4:30pm Monday through Friday most of the year. During summer, winter, and spring breaks, the office will open and close one hour early (7am to 3:30pm).
7:00 PM - 8:30 PM Newcomers Meeting (For All Families New to District 300)
Teacher Institute (8am to 1pm) No Student Attendance
First Day of School - Full Day of Student Attendance
