Lancaster Sd 2021-2022 Calendar https://lancastersd.tandem.co/ Key dates for Lancaster Sd. en-us 8/18/21 - 8/20/21 Support Staff on Duty https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=396 396-lancastersd@intand.com 8/19/21 All Staff Meeting & PD https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=397 397-lancastersd@intand.com 8/20/21 Teacher Work Day & Faculty Meeting https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=398 398-lancastersd@intand.com 8/23/21 First Student Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=393 393-lancastersd@intand.com 9/6/21 Labor Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=300 300-lancastersd@intand.com 10/11/21 Columbus Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=301 301-lancastersd@intand.com 10/11/21 Indigenous People’s Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=403 403-lancastersd@intand.com 10/31/21 Halloween https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=302 302-lancastersd@intand.com 11/2/21 Professional Development https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=399 399-lancastersd@intand.com 11/7/21 Daylight Saving Time Ends https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=304 304-lancastersd@intand.com 11/11/21 Parent Teacher Conferences https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=410 410-lancastersd@intand.com 11/11/21 Veteran's Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=303 303-lancastersd@intand.com 11/12/21 Schools Closed; Conferences https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=411 411-lancastersd@intand.com 11/24/21 - 11/26/21 Thanksgiving Holiday https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=407 407-lancastersd@intand.com 11/25/21 Thanksgiving https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=305 305-lancastersd@intand.com 12/23/21 - 12/24/21 Christmas Holiday https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=408 408-lancastersd@intand.com 12/25/21 Christmas Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=306 306-lancastersd@intand.com 12/27/21 - 12/29/21 Winter Recess https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=404 404-lancastersd@intand.com 12/30/21 - 12/31/21 New Year’s Holiday https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=409 409-lancastersd@intand.com 1/1/22 New Year's Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=307 307-lancastersd@intand.com 1/14/22 Design & Development Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=400 400-lancastersd@intand.com 1/17/22 Martin Luther King Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=308 308-lancastersd@intand.com 2/3/22 Schools In Session; Conferences https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=412 412-lancastersd@intand.com 2/4/22 Schools Closed; Conferences https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=413 413-lancastersd@intand.com 2/14/22 Valentine's Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=309 309-lancastersd@intand.com 2/21/22 President's Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=310 310-lancastersd@intand.com 3/13/22 Daylight Saving Time Begins https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=311 311-lancastersd@intand.com 3/17/22 St. Patrick's Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=312 312-lancastersd@intand.com 3/18/22 Inclement Weather Make-Up Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=405 405-lancastersd@intand.com 3/21/22 Conference PD https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=401 401-lancastersd@intand.com 4/14/22 Inclement Weather Make-Up Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=406 406-lancastersd@intand.com 4/17/22 Easter https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=313 313-lancastersd@intand.com 5/5/22 Cinco De Mayo https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=314 314-lancastersd@intand.com 5/30/22 Memorial Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=315 315-lancastersd@intand.com 6/2/22 Last Student Day (tentative) https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=394 394-lancastersd@intand.com 6/3/22 Work Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=402 402-lancastersd@intand.com 6/16/22 - 6/22/22 Professional Development https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=395 395-lancastersd@intand.com 7/4/22 Independence Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=316 316-lancastersd@intand.com