Jefferson County 2020-2021 Calendar https://gardendalehigh.tandem.co/ Key dates for Jefferson County. en-us 8/13/20 - 8/14/20 Teacher Work Days https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=277 277-gardendalehigh@intand.com 8/17/20 - 8/21/20 Professional Development Days https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=279 279-gardendalehigh@intand.com 8/24/20 Teacher Work Days https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=278 278-gardendalehigh@intand.com 8/25/20 First Day of School https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=280 280-gardendalehigh@intand.com 9/7/20 Labor Day https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=202 202-gardendalehigh@intand.com 10/6/20 Opportunity Day https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=281 281-gardendalehigh@intand.com 10/12/20 Columbus Day https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=203 203-gardendalehigh@intand.com 10/22/20 End of 1st Grading Period https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=282 282-gardendalehigh@intand.com 10/23/20 Teacher Work Day https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=283 283-gardendalehigh@intand.com 10/25/20 - 10/27/20 Thanksgiving Holidays https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=284 284-gardendalehigh@intand.com 10/31/20 Halloween https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=204 204-gardendalehigh@intand.com 11/1/20 Daylight Saving Time Ends https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=206 206-gardendalehigh@intand.com 11/11/20 Veteran's Day https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=205 205-gardendalehigh@intand.com 11/26/20 Thanksgiving https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=207 207-gardendalehigh@intand.com 12/21/20 - 1/1/21 Winter Break https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=285 285-gardendalehigh@intand.com 12/25/20 Christmas Day https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=208 208-gardendalehigh@intand.com 1/1/21 New Year's Day https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=209 209-gardendalehigh@intand.com 1/4/21 Professional Development Day https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=286 286-gardendalehigh@intand.com 1/5/21 Students Return https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=287 287-gardendalehigh@intand.com 1/14/21 End of 1st Semester https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=288 288-gardendalehigh@intand.com 1/18/21 Martin Luther King Day https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=210 210-gardendalehigh@intand.com 2/14/21 Valentine's Day https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=211 211-gardendalehigh@intand.com 2/15/21 President's Day https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=212 212-gardendalehigh@intand.com 2/15/21 Teacher Work Day https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=289 289-gardendalehigh@intand.com 3/9/21 Opportunity Day https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=290 290-gardendalehigh@intand.com 3/14/21 Daylight Saving Time Begins https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=213 213-gardendalehigh@intand.com 3/17/21 St. Patrick's Day https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=214 214-gardendalehigh@intand.com 3/19/21 End of 3rd Grading Period https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=291 291-gardendalehigh@intand.com 3/22/21 - 3/26/21 Spring Break https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=292 292-gardendalehigh@intand.com 3/22/21 - 3/23/21 Weather Days https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=293 293-gardendalehigh@intand.com 4/4/21 Easter https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=215 215-gardendalehigh@intand.com 5/5/21 Cinco De Mayo https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=216 216-gardendalehigh@intand.com 5/28/21 End of 2nd Sem./Last Day for Students https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=294 294-gardendalehigh@intand.com 5/31/21 Memorial Day https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=217 217-gardendalehigh@intand.com 7/4/21 Independence Day https://gardendalehigh.tandem.co/index.php?type=key_date&action=details&id=218 218-gardendalehigh@intand.com