Centennial Sd 2020-2021 Calendar https://centennialsd.tandem.co/ Key dates for Centennial Sd. en-us 8/10/20 Open Window Begins for Teacher Prep https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=142 142-centennialsd@intand.com 8/26/20 - 8/27/20 New Teacher Orientation https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=143 143-centennialsd@intand.com 8/31/20 In-service day (Convocation) https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=144 144-centennialsd@intand.com 9/1/20 First day for students; Grades KG-12 https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=145 145-centennialsd@intand.com 9/1/20 - 9/2/20 Kindergarten Early Dismissal https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=146 146-centennialsd@intand.com 9/4/20 All Schools Closed https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=147 147-centennialsd@intand.com 9/7/20 Labor Day https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=125 125-centennialsd@intand.com 9/28/20 All Schools and Offices Closed - Holiday https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=148 148-centennialsd@intand.com 10/12/20 Columbus Day https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=126 126-centennialsd@intand.com 10/19/20 2-Hour Delay; In-Service Day (Act 80) https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=149 149-centennialsd@intand.com 10/31/20 Halloween https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=127 127-centennialsd@intand.com 11/1/20 Daylight Saving Time Ends https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=129 129-centennialsd@intand.com 11/3/20 All Schools Closed - In-service day (Act 80) https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=150 150-centennialsd@intand.com 11/9/20 End of Marking Period (46 days https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=151 151-centennialsd@intand.com 11/11/20 Veteran's Day https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=128 128-centennialsd@intand.com 11/13/20 Early Dismissal; In-service day https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=152 152-centennialsd@intand.com 11/25/20 All Schools Closed - Conference 6-12; Elem. PD https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=153 153-centennialsd@intand.com 11/26/20 - 11/27/20 All Schools and Offices Closed - Holiday https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=154 154-centennialsd@intand.com 11/26/20 Thanksgiving https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=130 130-centennialsd@intand.com 12/4/20 End of Trimester (62 days) https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=155 155-centennialsd@intand.com 12/7/20 Early dismissal; In-service https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=156 156-centennialsd@intand.com 12/22/20 Early dismissal; Elem. Conferences; Sec. PD https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=157 157-centennialsd@intand.com 12/23/20 All Schools Closed - Conferences K-5; Sec. PD https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=158 158-centennialsd@intand.com 12/24/20 - 12/28/20 All Schools and Offices Closed - Holiday https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=159 159-centennialsd@intand.com 12/25/20 Christmas Day https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=131 131-centennialsd@intand.com 12/29/20 - 12/30/20 All Schools Closed https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=160 160-centennialsd@intand.com 12/31/20 - 1/1/21 All Schools and Offices Closed - Holiday https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=161 161-centennialsd@intand.com 1/1/21 New Year's Day https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=132 132-centennialsd@intand.com 1/18/21 Martin Luther King Day https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=133 133-centennialsd@intand.com 1/28/21 End of Marking Period (46 days) https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=162 162-centennialsd@intand.com 1/29/21 All Schools Closed - In-service day https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=163 163-centennialsd@intand.com 2/8/21 2-Hour Delay; In-service (Act 80) https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=164 164-centennialsd@intand.com 2/14/21 Valentine's Day https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=134 134-centennialsd@intand.com 2/15/21 All Schools and Offices Closed - Holiday https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=165 165-centennialsd@intand.com 2/15/21 President's Day https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=135 135-centennialsd@intand.com 3/14/21 Daylight Saving Time Begins https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=136 136-centennialsd@intand.com 3/16/21 End of Trimester (61 days) https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=166 166-centennialsd@intand.com 3/17/21 Early Dismissal; In-service https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=167 167-centennialsd@intand.com 3/17/21 St. Patrick's Day https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=137 137-centennialsd@intand.com 3/26/21 Early Dismissal; Elem. Conferences https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=168 168-centennialsd@intand.com 4/1/21 All Schools Closed/Snow Make-up Day #1 https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=169 169-centennialsd@intand.com 4/2/21 - 4/5/21 All Schools and Offices Closed - Holiday https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=170 170-centennialsd@intand.com 4/4/21 Easter https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=138 138-centennialsd@intand.com 4/8/21 End of Marking Period (45 days) https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=171 171-centennialsd@intand.com 4/9/21 Early Dismissal; In-service day https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=172 172-centennialsd@intand.com 5/5/21 Cinco De Mayo https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=139 139-centennialsd@intand.com 5/18/21 All Schools Closed - In-service day (Act 80) https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=173 173-centennialsd@intand.com 5/31/21 Memorial Day https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=140 140-centennialsd@intand.com 6/10/21 Tentative Grade 12 Commencement https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=174 174-centennialsd@intand.com 6/11/21 Tentative Last Day for students; Early dismissal https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=175 175-centennialsd@intand.com 6/14/21 In-service day https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=176 176-centennialsd@intand.com 6/14/21 - 6/18/21 Snow/Inclement Weather Make-up Days https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=178 178-centennialsd@intand.com 6/15/21 In-service day; Last day for teachers https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=177 177-centennialsd@intand.com 7/4/21 Independence Day https://centennialsd.tandem.co/index.php?type=key_date&action=details&id=141 141-centennialsd@intand.com