Sierra Sands Unified 2022-2023 Calendar https://sierrasandsunified.tandem.co/ Key dates for Sierra Sands Unified. en-us 8/2/22 Optional Teacher Work Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=228 228-sierrasandsunified@intand.com 8/3/22 - 8/4/22 Teacher PD Days https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=229 229-sierrasandsunified@intand.com 8/8/22 First Day of Instruction https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=230 230-sierrasandsunified@intand.com 9/5/22 Labor Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=211 211-sierrasandsunified@intand.com 10/6/22 End of 1st Quarter https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=232 232-sierrasandsunified@intand.com 10/7/22 In-Service Day - Non School Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=231 231-sierrasandsunified@intand.com 10/10/22 Columbus Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=212 212-sierrasandsunified@intand.com 10/31/22 Halloween https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=213 213-sierrasandsunified@intand.com 11/4/22 End of 1st Trimester https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=233 233-sierrasandsunified@intand.com 11/6/22 Daylight Saving Time Ends https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=215 215-sierrasandsunified@intand.com 11/11/22 Veteran's Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=214 214-sierrasandsunified@intand.com 11/21/22 - 11/23/22 Non School Days https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=234 234-sierrasandsunified@intand.com 11/24/22 Thanksgiving https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=216 216-sierrasandsunified@intand.com 11/24/22 - 11/25/22 Thanksgiving Holiday https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=235 235-sierrasandsunified@intand.com 12/16/22 End of 1st Semester https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=236 236-sierrasandsunified@intand.com 12/19/22 - 1/2/23 Winter Recess https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=237 237-sierrasandsunified@intand.com 12/25/22 Christmas Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=217 217-sierrasandsunified@intand.com 1/1/23 New Year's Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=218 218-sierrasandsunified@intand.com 1/2/23 New Year's Day Observed https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=238 238-sierrasandsunified@intand.com 1/16/23 Martin Luther King Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=219 219-sierrasandsunified@intand.com 2/13/23 Lincoln's Birthday Observed https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=239 239-sierrasandsunified@intand.com 2/14/23 Valentine's Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=220 220-sierrasandsunified@intand.com 2/17/23 End of 2nd Trimester https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=240 240-sierrasandsunified@intand.com 2/20/23 President's Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=221 221-sierrasandsunified@intand.com 2/20/23 Washington's Birthday https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=241 241-sierrasandsunified@intand.com 3/10/23 End of 3rd Quarter https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=242 242-sierrasandsunified@intand.com 3/12/23 Daylight Saving Time Begins https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=222 222-sierrasandsunified@intand.com 3/17/23 St. Patrick's Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=223 223-sierrasandsunified@intand.com 3/27/23 - 3/31/23 Spring Break https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=243 243-sierrasandsunified@intand.com 4/7/23 In Lieu of Admission Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=244 244-sierrasandsunified@intand.com 4/9/23 Easter https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=224 224-sierrasandsunified@intand.com 5/5/23 Cinco De Mayo https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=225 225-sierrasandsunified@intand.com 5/25/23 Last Day of Instruction https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=245 245-sierrasandsunified@intand.com 5/26/23 Optional Teacher Work Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=246 246-sierrasandsunified@intand.com 5/29/23 Memorial Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=226 226-sierrasandsunified@intand.com 6/1/23 Classified Mandatory Work Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=247 247-sierrasandsunified@intand.com 7/4/23 Independence Day https://sierrasandsunified.tandem.co/index.php?type=key_date&action=details&id=227 227-sierrasandsunified@intand.com