Sinton Isd 2020-2021 Calendar https://sintonisd.tandem.co/ Key dates for Sinton Isd. en-us 8/11/20 New Teacher Orientation https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=181 181-sintonisd@intand.com 8/12/20 - 8/14/20 Staff Professional Development https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=182 182-sintonisd@intand.com 8/17/20 - 8/21/20 Staff Professional Development https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=183 183-sintonisd@intand.com 8/24/20 First Day of School https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=184 184-sintonisd@intand.com 9/7/20 Labor Day https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=164 164-sintonisd@intand.com 9/21/20 Staff Professional Development https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=185 185-sintonisd@intand.com 10/12/20 Columbus Day https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=165 165-sintonisd@intand.com 10/16/20 End of 1st 9 Weeks/Early Release Day https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=186 186-sintonisd@intand.com 10/19/20 2nd 9 Weeks Begins https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=187 187-sintonisd@intand.com 10/31/20 Halloween https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=166 166-sintonisd@intand.com 11/1/20 Daylight Saving Time Ends https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=168 168-sintonisd@intand.com 11/2/20 Staff Professional Development https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=188 188-sintonisd@intand.com 11/11/20 Veteran's Day https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=167 167-sintonisd@intand.com 11/23/20 - 11/27/20 Thanksgiving https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=169 169-sintonisd@intand.com 12/18/20 End of 2nd 9 Weeks/Early Release Day https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=189 189-sintonisd@intand.com 12/21/20 - 12/31/20 Christmas Holiday https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=190 190-sintonisd@intand.com 12/25/20 Christmas Day https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=170 170-sintonisd@intand.com 1/1/21 New Year's Day https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=171 171-sintonisd@intand.com 1/4/21 Staff Professional Development https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=191 191-sintonisd@intand.com 1/5/21 3rd 9 Weeks Begins https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=192 192-sintonisd@intand.com 1/18/21 Martin Luther King Day https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=172 172-sintonisd@intand.com 1/28/21 - 1/29/21 A&H Holidays https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=193 193-sintonisd@intand.com 2/8/21 - 2/12/21 A&H Holidays https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=194 194-sintonisd@intand.com 2/14/21 Valentine's Day https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=173 173-sintonisd@intand.com 2/15/21 President's Day https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=174 174-sintonisd@intand.com 3/8/21 - 3/12/21 Spring Break https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=197 197-sintonisd@intand.com 3/14/21 Daylight Saving Time Begins https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=175 175-sintonisd@intand.com 3/17/21 St. Patrick's Day https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=176 176-sintonisd@intand.com 3/19/21 End of 3rd 9 Weeks/Early Release Day https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=195 195-sintonisd@intand.com 3/22/21 4th 9 Weeks Begins https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=196 196-sintonisd@intand.com 4/2/21 Easter Holiday https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=198 198-sintonisd@intand.com 4/4/21 Easter https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=177 177-sintonisd@intand.com 5/5/21 Cinco De Mayo https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=178 178-sintonisd@intand.com 5/31/21 Memorial Day https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=179 179-sintonisd@intand.com 6/3/21 Last Day of School/Early Release Day https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=199 199-sintonisd@intand.com 6/4/21 Staff Professional Development https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=200 200-sintonisd@intand.com 7/4/21 Independence Day https://sintonisd.tandem.co/index.php?type=key_date&action=details&id=180 180-sintonisd@intand.com