David Douglas Sd 40 2020-2021 Calendar https://daviddouglassd40.tandem.co/ Key dates for David Douglas Sd 40. en-us 8/31/20 - 9/1/20 Teacher Work Day https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=158 158-daviddouglassd40@intand.com 9/2/20 Professional Development https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=159 159-daviddouglassd40@intand.com 9/3/20 Teacher Work Day https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=160 160-daviddouglassd40@intand.com 9/4/20 Non-School Day https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=161 161-daviddouglassd40@intand.com 9/7/20 Labor Day https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=141 141-daviddouglassd40@intand.com 10/12/20 Columbus Day https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=142 142-daviddouglassd40@intand.com 10/31/20 Halloween https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=143 143-daviddouglassd40@intand.com 11/1/20 Daylight Saving Time Ends https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=145 145-daviddouglassd40@intand.com 11/11/20 Veteran's Day https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=144 144-daviddouglassd40@intand.com 11/26/20 Thanksgiving https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=146 146-daviddouglassd40@intand.com 11/27/20 Non-School Day https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=162 162-daviddouglassd40@intand.com 12/21/20 - 12/31/20 Winter Break https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=163 163-daviddouglassd40@intand.com 12/25/20 Christmas Day https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=147 147-daviddouglassd40@intand.com 1/1/21 New Year's Day https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=148 148-daviddouglassd40@intand.com 1/18/21 Martin Luther King Day https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=149 149-daviddouglassd40@intand.com 2/14/21 Valentine's Day https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=150 150-daviddouglassd40@intand.com 2/15/21 President's Day https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=151 151-daviddouglassd40@intand.com 3/14/21 Daylight Saving Time Begins https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=152 152-daviddouglassd40@intand.com 3/17/21 St. Patrick's Day https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=153 153-daviddouglassd40@intand.com 3/22/21 - 3/26/21 Spring Break https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=164 164-daviddouglassd40@intand.com 4/4/21 Easter https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=154 154-daviddouglassd40@intand.com 5/5/21 Cinco De Mayo https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=155 155-daviddouglassd40@intand.com 5/31/21 Memorial Day https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=156 156-daviddouglassd40@intand.com 6/17/21 Last Day of School https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=165 165-daviddouglassd40@intand.com 6/18/21 Teachers' Last Day https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=166 166-daviddouglassd40@intand.com 6/21/21 - 6/25/21 Snow Make-up Day https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=167 167-daviddouglassd40@intand.com 7/4/21 Independence Day https://daviddouglassd40.tandem.co/index.php?type=key_date&action=details&id=157 157-daviddouglassd40@intand.com