Lake Dallas Isd 2020-2021 Calendar https://ldisd.tandem.co/ Key dates for Lake Dallas Isd. en-us 9/7/20 Labor Day https://ldisd.tandem.co/index.php?type=key_date&action=details&id=10202 10202-ldisd@intand.com 10/12/20 Columbus Day https://ldisd.tandem.co/index.php?type=key_date&action=details&id=10203 10203-ldisd@intand.com 10/31/20 Halloween https://ldisd.tandem.co/index.php?type=key_date&action=details&id=10204 10204-ldisd@intand.com 11/1/20 Daylight Saving Time Ends https://ldisd.tandem.co/index.php?type=key_date&action=details&id=10206 10206-ldisd@intand.com 11/11/20 Veteran's Day https://ldisd.tandem.co/index.php?type=key_date&action=details&id=10205 10205-ldisd@intand.com 11/26/20 Thanksgiving https://ldisd.tandem.co/index.php?type=key_date&action=details&id=10207 10207-ldisd@intand.com 12/25/20 Christmas Day https://ldisd.tandem.co/index.php?type=key_date&action=details&id=10208 10208-ldisd@intand.com 1/1/21 New Year's Day https://ldisd.tandem.co/index.php?type=key_date&action=details&id=10209 10209-ldisd@intand.com 1/18/21 Martin Luther King Day https://ldisd.tandem.co/index.php?type=key_date&action=details&id=10210 10210-ldisd@intand.com 2/14/21 Valentine's Day https://ldisd.tandem.co/index.php?type=key_date&action=details&id=10211 10211-ldisd@intand.com 2/15/21 President's Day https://ldisd.tandem.co/index.php?type=key_date&action=details&id=10212 10212-ldisd@intand.com 3/14/21 Daylight Saving Time Begins https://ldisd.tandem.co/index.php?type=key_date&action=details&id=10213 10213-ldisd@intand.com 3/17/21 St. Patrick's Day https://ldisd.tandem.co/index.php?type=key_date&action=details&id=10214 10214-ldisd@intand.com 4/4/21 Easter https://ldisd.tandem.co/index.php?type=key_date&action=details&id=10215 10215-ldisd@intand.com 5/5/21 Cinco De Mayo https://ldisd.tandem.co/index.php?type=key_date&action=details&id=10216 10216-ldisd@intand.com 5/31/21 Memorial Day https://ldisd.tandem.co/index.php?type=key_date&action=details&id=10217 10217-ldisd@intand.com 7/4/21 Independence Day https://ldisd.tandem.co/index.php?type=key_date&action=details&id=10218 10218-ldisd@intand.com