1050 Plum Grove Circle
Buffalo Grove, Illinois 60089

Phone: 847-520-2750



CCSD21 a school is comprised of 13 schools across 6 different communities in Illinois.


Community Consolidated School District 21 serves nearly 7,000 students in 13 schools across 6 communities in the northwest suburbs of Chicago. Cooper Middle School serves students in grades 6-8. School starts at 8:30 AM and ends at 3:30 PM daily.

Update Message Re: Water Main Break at Longfellow

August 30, 2022

Topic: Unassigned

Water main repairs are underway and we are being advised that there is a strong likelihood that they will be complete and water service will be restored in time for school tomorrow (Aug. 31) morning.  We will not have confirmation of that until very late this evening.  As such, we will communicate with Longfellow families starting at 6:00 AM tomorrow morning with a final decision on school status.

Cooper Middle School is not impacted and will be open as normal tomorrow.

Again, we apologize for any inconvenience this event may cause and hope to be open as planned tomorrow morning.  We greatly appreciate your understanding and patience.