Highline School District 2022-2023 Calendar https://hsd401.tandem.co/ Key dates for Highline School District. en-us 9/5/22 Labor Day https://hsd401.tandem.co/index.php?type=key_date&action=details&id=15783 15783-hsd401@intand.com 10/10/22 Columbus Day https://hsd401.tandem.co/index.php?type=key_date&action=details&id=15784 15784-hsd401@intand.com 10/31/22 Halloween https://hsd401.tandem.co/index.php?type=key_date&action=details&id=15785 15785-hsd401@intand.com 11/6/22 Daylight Saving Time Ends https://hsd401.tandem.co/index.php?type=key_date&action=details&id=15787 15787-hsd401@intand.com 11/11/22 Veteran's Day https://hsd401.tandem.co/index.php?type=key_date&action=details&id=15786 15786-hsd401@intand.com 11/24/22 Thanksgiving https://hsd401.tandem.co/index.php?type=key_date&action=details&id=15788 15788-hsd401@intand.com 12/25/22 Christmas Day https://hsd401.tandem.co/index.php?type=key_date&action=details&id=15789 15789-hsd401@intand.com 1/1/23 New Year's Day https://hsd401.tandem.co/index.php?type=key_date&action=details&id=15790 15790-hsd401@intand.com 1/16/23 Martin Luther King Day https://hsd401.tandem.co/index.php?type=key_date&action=details&id=15791 15791-hsd401@intand.com 2/14/23 Valentine's Day https://hsd401.tandem.co/index.php?type=key_date&action=details&id=15792 15792-hsd401@intand.com 2/20/23 President's Day https://hsd401.tandem.co/index.php?type=key_date&action=details&id=15793 15793-hsd401@intand.com 3/12/23 Daylight Saving Time Begins https://hsd401.tandem.co/index.php?type=key_date&action=details&id=15794 15794-hsd401@intand.com 3/17/23 St. Patrick's Day https://hsd401.tandem.co/index.php?type=key_date&action=details&id=15795 15795-hsd401@intand.com 4/9/23 Easter https://hsd401.tandem.co/index.php?type=key_date&action=details&id=15796 15796-hsd401@intand.com 5/5/23 Cinco De Mayo https://hsd401.tandem.co/index.php?type=key_date&action=details&id=15797 15797-hsd401@intand.com 5/29/23 Memorial Day https://hsd401.tandem.co/index.php?type=key_date&action=details&id=15798 15798-hsd401@intand.com 7/4/23 Independence Day https://hsd401.tandem.co/index.php?type=key_date&action=details&id=15799 15799-hsd401@intand.com