Sierra Sands Unified 2020-2021 Calendar https://sierrasandsunified.tandem.co/ Key dates for Sierra Sands Unified. en-us 8/6/20 Optional Teacher Work Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=153 153-sierrasandsunified@intand.com 8/7/20 Teacher PD Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=154 154-sierrasandsunified@intand.com 8/11/20 First Day of Instruction https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=155 155-sierrasandsunified@intand.com 9/7/20 Labor Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=136 136-sierrasandsunified@intand.com 10/9/20 End of 1st Quarter https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=156 156-sierrasandsunified@intand.com 10/12/20 Columbus Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=137 137-sierrasandsunified@intand.com 10/30/20 Inservice Day-Non School Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=157 157-sierrasandsunified@intand.com 10/31/20 Halloween https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=138 138-sierrasandsunified@intand.com 11/1/20 Daylight Saving Time Ends https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=140 140-sierrasandsunified@intand.com 11/6/20 End of 1st Trimester https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=158 158-sierrasandsunified@intand.com 11/11/20 Veteran's Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=139 139-sierrasandsunified@intand.com 11/23/20 - 11/25/20 Non School Days https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=159 159-sierrasandsunified@intand.com 11/26/20 Thanksgiving https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=141 141-sierrasandsunified@intand.com 11/26/20 - 11/27/20 Thanksgiving Break https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=160 160-sierrasandsunified@intand.com 12/18/20 End of 1st Semester https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=161 161-sierrasandsunified@intand.com 12/21/20 - 1/1/21 Winter Recess https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=162 162-sierrasandsunified@intand.com 12/24/20 - 12/25/20 Classified Holidays https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=163 163-sierrasandsunified@intand.com 12/25/20 Christmas Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=142 142-sierrasandsunified@intand.com 1/1/21 New Year's Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=143 143-sierrasandsunified@intand.com 1/18/21 Martin Luther King Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=144 144-sierrasandsunified@intand.com 2/5/21 Inservice Day-Non School Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=164 164-sierrasandsunified@intand.com 2/12/21 Lincoln's Birthday https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=165 165-sierrasandsunified@intand.com 2/14/21 Valentine's Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=145 145-sierrasandsunified@intand.com 2/15/21 President's Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=146 146-sierrasandsunified@intand.com 2/15/21 Washington's Birthday https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=166 166-sierrasandsunified@intand.com 2/19/21 End of 2nd Trimester https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=167 167-sierrasandsunified@intand.com 3/12/21 End of 3rd Quarter https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=168 168-sierrasandsunified@intand.com 3/14/21 Daylight Saving Time Begins https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=147 147-sierrasandsunified@intand.com 3/17/21 St. Patrick's Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=148 148-sierrasandsunified@intand.com 3/29/21 - 4/2/21 Spring Break https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=169 169-sierrasandsunified@intand.com 4/2/21 In Lieu of Admission Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=170 170-sierrasandsunified@intand.com 4/4/21 Easter https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=149 149-sierrasandsunified@intand.com 5/5/21 Cinco De Mayo https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=150 150-sierrasandsunified@intand.com 5/27/21 Last Day of Instruction https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=171 171-sierrasandsunified@intand.com 5/28/21 Optional Teacher Work Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=172 172-sierrasandsunified@intand.com 5/31/21 Memorial Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=151 151-sierrasandsunified@intand.com 6/1/21 Classified Mandatory Work Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=173 173-sierrasandsunified@intand.com 7/4/21 Independence Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=152 152-sierrasandsunified@intand.com