Mckinney Isd 2019-2020 Calendar https://mckinneyisd.tandem.co/ Key dates for Mckinney Isd. en-us 8/15/19 Nine Weeks Begin https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=329 329-mckinneyisd@intand.com 9/2/19 Labor Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=244 244-mckinneyisd@intand.com 10/14/19 Columbus Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=245 245-mckinneyisd@intand.com 10/14/19 Staff Development / Teacher Work Day - Student Holiday https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=330 330-mckinneyisd@intand.com 10/18/19 Nine Weeks Begin / End https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=331 331-mckinneyisd@intand.com 10/21/19 Nine Weeks Begin / End https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=332 332-mckinneyisd@intand.com 10/28/19 Staff Development / Teacher Work Day - Student Holiday https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=333 333-mckinneyisd@intand.com 10/31/19 Halloween https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=246 246-mckinneyisd@intand.com 11/3/19 Daylight Saving Time Ends https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=248 248-mckinneyisd@intand.com 11/11/19 Staff Development / Teacher Work Day - Student Holiday https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=334 334-mckinneyisd@intand.com 11/11/19 Veteran's Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=247 247-mckinneyisd@intand.com 11/25/19 - 11/29/19 Thanksgiving https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=335 335-mckinneyisd@intand.com 11/28/19 Thanksgiving https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=249 249-mckinneyisd@intand.com 12/20/19 Nine Weeks Begin / End https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=336 336-mckinneyisd@intand.com 12/23/19 - 1/3/20 Winter Holiday https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=337 337-mckinneyisd@intand.com 12/25/19 Christmas Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=250 250-mckinneyisd@intand.com 1/1/20 New Year's Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=251 251-mckinneyisd@intand.com 1/6/20 Staff Development / Teacher Work Day - Student Holiday https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=338 338-mckinneyisd@intand.com 1/7/20 Nine Weeks Begin / End https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=339 339-mckinneyisd@intand.com 1/20/20 Martin Luther King Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=252 252-mckinneyisd@intand.com 2/14/20 Valentine's Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=253 253-mckinneyisd@intand.com 2/17/20 President's Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=254 254-mckinneyisd@intand.com 2/17/20 Staff Development / Teacher Work Day - Student Holiday https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=340 340-mckinneyisd@intand.com 3/6/20 Nine Weeks Begin / End https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=341 341-mckinneyisd@intand.com 3/8/20 Daylight Saving Time Begins https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=255 255-mckinneyisd@intand.com 3/9/20 - 3/13/20 Spring Break https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=342 342-mckinneyisd@intand.com 3/16/20 Nine Weeks Begin / End https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=343 343-mckinneyisd@intand.com 3/17/20 St. Patrick's Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=256 256-mckinneyisd@intand.com 4/10/20 Bad Weather Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=344 344-mckinneyisd@intand.com 4/12/20 Easter https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=257 257-mckinneyisd@intand.com 4/27/20 Bad Weather Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=345 345-mckinneyisd@intand.com 5/5/20 Cinco De Mayo https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=258 258-mckinneyisd@intand.com 5/25/20 Memorial Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=259 259-mckinneyisd@intand.com 5/26/20 Nine Weeks Begin / End https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=346 346-mckinneyisd@intand.com 5/27/20 Staff Development / Teacher Work Day - Student Holiday https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=347 347-mckinneyisd@intand.com 7/4/20 Independence Day https://mckinneyisd.tandem.co/index.php?type=key_date&action=details&id=260 260-mckinneyisd@intand.com