Cook County Public Schools 2020-2021 Calendar https://cookcountypublicschools.tandem.co/ Key dates for Cook County Public Schools. en-us 8/26/20 New Teacher Meeting Day https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=167 167-cookcountypublicschools@intand.com 8/27/20 - 9/2/20 Teacher Workshops https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=168 168-cookcountypublicschools@intand.com 9/3/20 First Day of School https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=169 169-cookcountypublicschools@intand.com 9/4/20 Preschool Intake Conferences https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=170 170-cookcountypublicschools@intand.com 9/7/20 Labor Day https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=150 150-cookcountypublicschools@intand.com 9/8/20 - 9/9/20 Preschool Intake Conferences https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=171 171-cookcountypublicschools@intand.com 9/10/20 First Day of Preschool https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=172 172-cookcountypublicschools@intand.com 10/2/20 Mid Term https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=173 173-cookcountypublicschools@intand.com 10/9/20 Professional Development Day https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=174 174-cookcountypublicschools@intand.com 10/12/20 Columbus Day https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=151 151-cookcountypublicschools@intand.com 10/15/20 - 10/16/20 No School - MEA https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=175 175-cookcountypublicschools@intand.com 10/31/20 Halloween https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=152 152-cookcountypublicschools@intand.com 11/1/20 Daylight Saving Time Ends https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=154 154-cookcountypublicschools@intand.com 11/6/20 End of Quarter 1 https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=176 176-cookcountypublicschools@intand.com 11/9/20 Professional Development Day/PreK Conference https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=177 177-cookcountypublicschools@intand.com 11/11/20 Veteran's Day https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=153 153-cookcountypublicschools@intand.com 11/25/20 - 11/27/20 Thanksgiving https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=155 155-cookcountypublicschools@intand.com 12/11/20 Mid Term https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=178 178-cookcountypublicschools@intand.com 12/21/20 - 12/31/20 Winter Break https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=179 179-cookcountypublicschools@intand.com 12/25/20 Christmas Day https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=156 156-cookcountypublicschools@intand.com 1/1/21 New Year's Day https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=157 157-cookcountypublicschools@intand.com 1/18/21 Martin Luther King Day https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=158 158-cookcountypublicschools@intand.com 1/22/21 End of Quarter 2 https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=180 180-cookcountypublicschools@intand.com 2/14/21 Valentine's Day https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=159 159-cookcountypublicschools@intand.com 2/15/21 President's Day https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=160 160-cookcountypublicschools@intand.com 2/22/21 Professional Development Day https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=181 181-cookcountypublicschools@intand.com 2/26/21 Mid Term https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=182 182-cookcountypublicschools@intand.com 3/14/21 Daylight Saving Time Begins https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=161 161-cookcountypublicschools@intand.com 3/17/21 St. Patrick's Day https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=162 162-cookcountypublicschools@intand.com 3/22/21 - 3/26/21 Spring Break https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=183 183-cookcountypublicschools@intand.com 4/1/21 End of Quarter 3 https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=184 184-cookcountypublicschools@intand.com 4/2/21 No School https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=185 185-cookcountypublicschools@intand.com 4/4/21 Easter https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=163 163-cookcountypublicschools@intand.com 4/5/21 Professional Development Day https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=186 186-cookcountypublicschools@intand.com 4/19/21 Professional Development Day https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=187 187-cookcountypublicschools@intand.com 5/3/21 Mid Term https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=188 188-cookcountypublicschools@intand.com 5/5/21 Cinco De Mayo https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=164 164-cookcountypublicschools@intand.com 5/27/21 Last Day of Preschool/Seniors Last Day https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=189 189-cookcountypublicschools@intand.com 5/28/21 Professional Development Day https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=190 190-cookcountypublicschools@intand.com 5/31/21 Memorial Day https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=165 165-cookcountypublicschools@intand.com 6/4/21 Last Day of School/End of Quarter 4 https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=191 191-cookcountypublicschools@intand.com 6/7/21 - 6/8/21 Teacher Workshop https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=192 192-cookcountypublicschools@intand.com 7/4/21 Independence Day https://cookcountypublicschools.tandem.co/index.php?type=key_date&action=details&id=166 166-cookcountypublicschools@intand.com