Sierra Unified 2021-2022 Calendar https://sierraunified.tandem.co/ Key dates for Sierra Unified. en-us 8/12/21 Teachers Report/Professional Development https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=205 205-sierraunified@intand.com 8/13/21 - 8/16/21 Teacher Work Day https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=206 206-sierraunified@intand.com 8/17/21 First Day of School https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=207 207-sierraunified@intand.com 9/6/21 Labor Day https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=188 188-sierraunified@intand.com 10/1/21 6 Week Progress https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=208 208-sierraunified@intand.com 10/11/21 Columbus Day https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=189 189-sierraunified@intand.com 10/11/21 - 10/15/21 Minimum Days/Parent Conferences https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=209 209-sierraunified@intand.com 10/31/21 Halloween https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=190 190-sierraunified@intand.com 11/1/21 Teacher Work Day https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=211 211-sierraunified@intand.com 11/7/21 Daylight Saving Time Ends https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=192 192-sierraunified@intand.com 11/11/21 Veteran's Day https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=191 191-sierraunified@intand.com 11/12/21 First Trimester Ends (Progress) https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=210 210-sierraunified@intand.com 11/22/21 - 11/26/21 Thanksgiving Break https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=212 212-sierraunified@intand.com 11/25/21 Thanksgiving https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=193 193-sierraunified@intand.com 12/20/21 - 12/31/21 Christmas Break https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=213 213-sierraunified@intand.com 12/25/21 Christmas Day https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=194 194-sierraunified@intand.com 1/1/22 New Year's Day https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=195 195-sierraunified@intand.com 1/3/22 New Year's Holiday Observed https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=214 214-sierraunified@intand.com 1/17/22 Martin Luther King Day https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=196 196-sierraunified@intand.com 2/14/22 Valentine's Day https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=197 197-sierraunified@intand.com 2/21/22 President's Day https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=198 198-sierraunified@intand.com 2/21/22 - 2/25/22 Winter Break https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=215 215-sierraunified@intand.com 3/4/22 Second Trimester Ends (Progress) https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=216 216-sierraunified@intand.com 3/7/22 Teacher Work Day https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=217 217-sierraunified@intand.com 3/13/22 Daylight Saving Time Begins https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=199 199-sierraunified@intand.com 3/17/22 St. Patrick's Day https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=200 200-sierraunified@intand.com 4/11/22 - 4/18/22 Spring Break https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=218 218-sierraunified@intand.com 4/15/22 Good Friday https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=219 219-sierraunified@intand.com 4/17/22 Easter https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=201 201-sierraunified@intand.com 4/22/22 6 Week Progress https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=220 220-sierraunified@intand.com 5/5/22 Cinco De Mayo https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=202 202-sierraunified@intand.com 5/30/22 Memorial Day https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=203 203-sierraunified@intand.com 6/9/22 Last Day of School https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=221 221-sierraunified@intand.com 6/10/22 Teacher Workday https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=222 222-sierraunified@intand.com 7/4/22 Independence Day https://sierraunified.tandem.co/index.php?type=key_date&action=details&id=204 204-sierraunified@intand.com