Mecosta-Osceola Isd 2027-2028 Calendar https://mecostaosceolaisd.tandem.co/ Key dates for Mecosta-Osceola Isd. en-us 9/6/27 Labor Day https://mecostaosceolaisd.tandem.co/index.php?type=key_date&action=details&id=412 412-mecostaosceolaisd@intand.com 10/11/27 Columbus Day https://mecostaosceolaisd.tandem.co/index.php?type=key_date&action=details&id=413 413-mecostaosceolaisd@intand.com 10/31/27 Halloween https://mecostaosceolaisd.tandem.co/index.php?type=key_date&action=details&id=414 414-mecostaosceolaisd@intand.com 11/7/27 Daylight Saving Time Ends https://mecostaosceolaisd.tandem.co/index.php?type=key_date&action=details&id=416 416-mecostaosceolaisd@intand.com 11/11/27 Veteran's Day https://mecostaosceolaisd.tandem.co/index.php?type=key_date&action=details&id=415 415-mecostaosceolaisd@intand.com 11/25/27 Thanksgiving https://mecostaosceolaisd.tandem.co/index.php?type=key_date&action=details&id=417 417-mecostaosceolaisd@intand.com 12/25/27 Christmas Day https://mecostaosceolaisd.tandem.co/index.php?type=key_date&action=details&id=418 418-mecostaosceolaisd@intand.com 1/1/28 New Year's Day https://mecostaosceolaisd.tandem.co/index.php?type=key_date&action=details&id=419 419-mecostaosceolaisd@intand.com 1/17/28 Martin Luther King Day https://mecostaosceolaisd.tandem.co/index.php?type=key_date&action=details&id=420 420-mecostaosceolaisd@intand.com 2/14/28 Valentine's Day https://mecostaosceolaisd.tandem.co/index.php?type=key_date&action=details&id=421 421-mecostaosceolaisd@intand.com 2/21/28 President's Day https://mecostaosceolaisd.tandem.co/index.php?type=key_date&action=details&id=422 422-mecostaosceolaisd@intand.com 3/12/28 Daylight Saving Time Begins https://mecostaosceolaisd.tandem.co/index.php?type=key_date&action=details&id=423 423-mecostaosceolaisd@intand.com 3/17/28 St. Patrick's Day https://mecostaosceolaisd.tandem.co/index.php?type=key_date&action=details&id=424 424-mecostaosceolaisd@intand.com 4/16/28 Easter https://mecostaosceolaisd.tandem.co/index.php?type=key_date&action=details&id=425 425-mecostaosceolaisd@intand.com 5/5/28 Cinco De Mayo https://mecostaosceolaisd.tandem.co/index.php?type=key_date&action=details&id=426 426-mecostaosceolaisd@intand.com 5/29/28 Memorial Day https://mecostaosceolaisd.tandem.co/index.php?type=key_date&action=details&id=427 427-mecostaosceolaisd@intand.com 7/4/28 Independence Day https://mecostaosceolaisd.tandem.co/index.php?type=key_date&action=details&id=428 428-mecostaosceolaisd@intand.com