Derry School District 2019-2020 Calendar https://derry.tandem.co/ Key dates for Derry School District. en-us 8/22/19 - 8/23/19 Teacher Workshop https://derry.tandem.co/index.php?type=key_date&action=details&id=138 138-derry@intand.com 8/26/19 Teacher Workshop and 6th grade orientation https://derry.tandem.co/index.php?type=key_date&action=details&id=139 139-derry@intand.com 8/27/19 First Day of School https://derry.tandem.co/index.php?type=key_date&action=details&id=133 133-derry@intand.com 9/2/19 Labor Day https://derry.tandem.co/index.php?type=key_date&action=details&id=108 108-derry@intand.com 10/11/19 Early Release https://derry.tandem.co/index.php?type=key_date&action=details&id=137 137-derry@intand.com 10/14/19 Columbus Day https://derry.tandem.co/index.php?type=key_date&action=details&id=109 109-derry@intand.com 10/31/19 Halloween https://derry.tandem.co/index.php?type=key_date&action=details&id=110 110-derry@intand.com 11/3/19 Daylight Saving Time Ends https://derry.tandem.co/index.php?type=key_date&action=details&id=112 112-derry@intand.com 11/11/19 Veteran's Day https://derry.tandem.co/index.php?type=key_date&action=details&id=111 111-derry@intand.com 11/27/19 - 11/29/19 Thanksgiving https://derry.tandem.co/index.php?type=key_date&action=details&id=113 113-derry@intand.com 12/23/19 - 1/1/20 Holiday Recess https://derry.tandem.co/index.php?type=key_date&action=details&id=134 134-derry@intand.com 12/25/19 Christmas Day https://derry.tandem.co/index.php?type=key_date&action=details&id=114 114-derry@intand.com 1/1/20 New Year's Day https://derry.tandem.co/index.php?type=key_date&action=details&id=115 115-derry@intand.com 1/20/20 Martin Luther King Day https://derry.tandem.co/index.php?type=key_date&action=details&id=116 116-derry@intand.com 2/11/20 Parent-Teacher Conference https://derry.tandem.co/index.php?type=key_date&action=details&id=140 140-derry@intand.com 2/14/20 Valentine's Day https://derry.tandem.co/index.php?type=key_date&action=details&id=117 117-derry@intand.com 2/17/20 President's Day https://derry.tandem.co/index.php?type=key_date&action=details&id=118 118-derry@intand.com 2/24/20 - 2/28/20 Winter Recess https://derry.tandem.co/index.php?type=key_date&action=details&id=135 135-derry@intand.com 3/8/20 Daylight Saving Time Begins https://derry.tandem.co/index.php?type=key_date&action=details&id=119 119-derry@intand.com 3/17/20 St. Patrick's Day https://derry.tandem.co/index.php?type=key_date&action=details&id=120 120-derry@intand.com 4/12/20 Easter https://derry.tandem.co/index.php?type=key_date&action=details&id=121 121-derry@intand.com 4/27/20 - 5/1/20 Spring Recess https://derry.tandem.co/index.php?type=key_date&action=details&id=136 136-derry@intand.com 5/5/20 Cinco De Mayo https://derry.tandem.co/index.php?type=key_date&action=details&id=122 122-derry@intand.com 5/25/20 Memorial Day https://derry.tandem.co/index.php?type=key_date&action=details&id=123 123-derry@intand.com 7/4/20 Independence Day https://derry.tandem.co/index.php?type=key_date&action=details&id=124 124-derry@intand.com