Williamson County School District 2020-2021 Calendar http://williamsoncounty.tandem.co/ Key dates for Williamson County School District. en-us 7/29/20 - 7/30/20 New Teacher Induction http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=484 484-williamsoncounty@intand.com 8/3/20 Administrative Day (All Teachers Report) http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=485 485-williamsoncounty@intand.com 8/4/20 District-Wide Professional Development Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=486 486-williamsoncounty@intand.com 8/5/20 Site-Based Professional Development Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=487 487-williamsoncounty@intand.com 8/6/20 Administrative Day (All Teachers Work in Classroom) http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=488 488-williamsoncounty@intand.com 8/7/20 Start of School (1st – 12th Grades) http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=489 489-williamsoncounty@intand.com 8/17/20 First Full Day for Kindergarten Students http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=490 490-williamsoncounty@intand.com 9/7/20 Labor Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=389 389-williamsoncounty@intand.com 10/12/20 Columbus Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=390 390-williamsoncounty@intand.com 10/31/20 Halloween http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=391 391-williamsoncounty@intand.com 11/1/20 Daylight Saving Time Ends http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=393 393-williamsoncounty@intand.com 11/11/20 Veteran's Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=392 392-williamsoncounty@intand.com 11/26/20 Thanksgiving http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=394 394-williamsoncounty@intand.com 12/25/20 Christmas Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=395 395-williamsoncounty@intand.com 1/1/21 New Year's Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=396 396-williamsoncounty@intand.com 1/18/21 Martin Luther King Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=397 397-williamsoncounty@intand.com 2/14/21 Valentine's Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=398 398-williamsoncounty@intand.com 2/15/21 President's Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=399 399-williamsoncounty@intand.com 3/14/21 Daylight Saving Time Begins http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=400 400-williamsoncounty@intand.com 3/17/21 St. Patrick's Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=401 401-williamsoncounty@intand.com 4/4/21 Easter http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=402 402-williamsoncounty@intand.com 4/15/21 Spring Holiday http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=506 506-williamsoncounty@intand.com 5/5/21 Cinco De Mayo http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=403 403-williamsoncounty@intand.com 5/31/21 Memorial Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=404 404-williamsoncounty@intand.com 7/4/21 Independence Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=405 405-williamsoncounty@intand.com