Mckinney Isd 2021-2022 Calendar https://mckinneyisd.tandem.co/ Key dates for Mckinney Isd. en-us 8/2/21 - 8/6/21 Staff Development/Teacher Work Day-Student Holiday https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=369 369-mckinneyisd@intand.com 8/9/21 - 8/11/21 Staff Development/Teacher Work Day-Student Holiday https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=370 370-mckinneyisd@intand.com 8/12/21 Nine Weeks Begin https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=377 377-mckinneyisd@intand.com 9/6/21 Labor Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=278 278-mckinneyisd@intand.com 10/11/21 Columbus Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=279 279-mckinneyisd@intand.com 10/11/21 Staff Development/Teacher Work Day-Student Holiday https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=371 371-mckinneyisd@intand.com 10/15/21 Nine Weeks End https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=384 384-mckinneyisd@intand.com 10/18/21 Nine Weeks Begin https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=378 378-mckinneyisd@intand.com 10/25/21 Staff Development/Teacher Work Day-Student Holiday https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=372 372-mckinneyisd@intand.com 10/31/21 Halloween https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=280 280-mckinneyisd@intand.com 11/7/21 Daylight Saving Time Ends https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=282 282-mckinneyisd@intand.com 11/8/21 Staff Development/Teacher Work Day-Student Holiday https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=373 373-mckinneyisd@intand.com 11/11/21 Veteran's Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=281 281-mckinneyisd@intand.com 11/22/21 - 11/26/21 Thanksgiving Holiday https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=389 389-mckinneyisd@intand.com 11/25/21 Thanksgiving https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=283 283-mckinneyisd@intand.com 12/17/21 Nine Weeks End https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=383 383-mckinneyisd@intand.com 12/20/21 - 12/31/21 Winter Holiday https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=388 388-mckinneyisd@intand.com 12/25/21 Christmas Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=284 284-mckinneyisd@intand.com 1/1/22 New Year's Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=285 285-mckinneyisd@intand.com 1/3/22 Staff Development/Teacher Work Day-Student Holiday https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=374 374-mckinneyisd@intand.com 1/4/22 Nine Weeks Begin https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=379 379-mckinneyisd@intand.com 1/17/22 Martin Luther King Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=286 286-mckinneyisd@intand.com 2/14/22 Valentine's Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=287 287-mckinneyisd@intand.com 2/21/22 President's Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=288 288-mckinneyisd@intand.com 2/21/22 Staff Development/Teacher Work Day-Student Holiday https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=375 375-mckinneyisd@intand.com 3/4/22 Nine Weeks End https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=382 382-mckinneyisd@intand.com 3/11/22 Spring Break https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=387 387-mckinneyisd@intand.com 3/13/22 Daylight Saving Time Begins https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=289 289-mckinneyisd@intand.com 3/14/22 Nine Weeks Begin https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=380 380-mckinneyisd@intand.com 3/17/22 St. Patrick's Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=290 290-mckinneyisd@intand.com 4/15/22 Bad Weather Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=385 385-mckinneyisd@intand.com 4/17/22 Easter https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=291 291-mckinneyisd@intand.com 4/25/22 Bad Weather Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=386 386-mckinneyisd@intand.com 5/5/22 Cinco De Mayo https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=292 292-mckinneyisd@intand.com 5/20/22 Nine Weeks End https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=381 381-mckinneyisd@intand.com 5/23/22 Staff Development/Teacher Work Day-Student Holiday https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=376 376-mckinneyisd@intand.com 5/30/22 Memorial Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=293 293-mckinneyisd@intand.com 7/4/22 Independence Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=294 294-mckinneyisd@intand.com