Highland Park ISD 2025-2026 Calendar https://liberty53.tandem.co/ Key dates for Highland Park ISD. en-us 9/1/25 Labor Day https://liberty53.tandem.co/index.php?type=key_date&action=details&id=440104 440104-liberty53@intand.com 10/13/25 Columbus Day https://liberty53.tandem.co/index.php?type=key_date&action=details&id=440105 440105-liberty53@intand.com 10/31/25 Halloween https://liberty53.tandem.co/index.php?type=key_date&action=details&id=440106 440106-liberty53@intand.com 11/2/25 Daylight Saving Time Ends https://liberty53.tandem.co/index.php?type=key_date&action=details&id=440108 440108-liberty53@intand.com 11/11/25 Veteran's Day https://liberty53.tandem.co/index.php?type=key_date&action=details&id=440107 440107-liberty53@intand.com 11/27/25 Thanksgiving https://liberty53.tandem.co/index.php?type=key_date&action=details&id=440109 440109-liberty53@intand.com 12/25/25 Christmas Day https://liberty53.tandem.co/index.php?type=key_date&action=details&id=440110 440110-liberty53@intand.com 1/1/26 New Year's Day https://liberty53.tandem.co/index.php?type=key_date&action=details&id=440111 440111-liberty53@intand.com 1/19/26 Martin Luther King Day https://liberty53.tandem.co/index.php?type=key_date&action=details&id=440112 440112-liberty53@intand.com 2/14/26 Valentine's Day https://liberty53.tandem.co/index.php?type=key_date&action=details&id=440113 440113-liberty53@intand.com 2/16/26 President's Day https://liberty53.tandem.co/index.php?type=key_date&action=details&id=440114 440114-liberty53@intand.com 3/8/26 Daylight Saving Time Begins https://liberty53.tandem.co/index.php?type=key_date&action=details&id=440115 440115-liberty53@intand.com 3/17/26 St. Patrick's Day https://liberty53.tandem.co/index.php?type=key_date&action=details&id=440116 440116-liberty53@intand.com 4/5/26 Easter https://liberty53.tandem.co/index.php?type=key_date&action=details&id=440117 440117-liberty53@intand.com 5/5/26 Cinco De Mayo https://liberty53.tandem.co/index.php?type=key_date&action=details&id=440118 440118-liberty53@intand.com 5/25/26 Memorial Day https://liberty53.tandem.co/index.php?type=key_date&action=details&id=440119 440119-liberty53@intand.com 7/4/26 Independence Day https://liberty53.tandem.co/index.php?type=key_date&action=details&id=440120 440120-liberty53@intand.com