University Of Chicago Laboratory Schools 2022-2023 Calendar https://ucls.tandem.co/ Key dates for University Of Chicago Laboratory Schools. en-us 8/29/22 - 9/1/22 Planning Week https://ucls.tandem.co/index.php?type=key_date&action=details&id=64584 64584-uchicagolaboratoryschools@intand.com 9/5/22 Labor Day - Holiday https://ucls.tandem.co/index.php?type=key_date&action=details&id=64564 64564-uchicagolaboratoryschools@intand.com 9/6/22 First Day of Classes https://ucls.tandem.co/index.php?type=key_date&action=details&id=64570 64570-uchicagolaboratoryschools@intand.com 10/10/22 October Break https://ucls.tandem.co/index.php?type=key_date&action=details&id=64571 64571-uchicagolaboratoryschools@intand.com 11/4/22 Faculty in Service / No School https://ucls.tandem.co/index.php?type=key_date&action=details&id=64572 64572-uchicagolaboratoryschools@intand.com 11/21/22 - 11/25/22 Thanksgiving Break https://ucls.tandem.co/index.php?type=key_date&action=details&id=64565 64565-uchicagolaboratoryschools@intand.com 12/19/22 - 1/2/23 Winter Break https://ucls.tandem.co/index.php?type=key_date&action=details&id=64566 64566-uchicagolaboratoryschools@intand.com 1/16/23 Martin Luther King Jr Day - Holiday https://ucls.tandem.co/index.php?type=key_date&action=details&id=64567 64567-uchicagolaboratoryschools@intand.com 3/8/23 - 3/19/23 Spring Break https://ucls.tandem.co/index.php?type=key_date&action=details&id=64573 64573-uchicagolaboratoryschools@intand.com 4/21/23 Faculty in Service / No School https://ucls.tandem.co/index.php?type=key_date&action=details&id=64574 64574-uchicagolaboratoryschools@intand.com 5/29/23 Memorial Day - Holiday https://ucls.tandem.co/index.php?type=key_date&action=details&id=64568 64568-uchicagolaboratoryschools@intand.com 6/8/23 Last Day of Classes https://ucls.tandem.co/index.php?type=key_date&action=details&id=64575 64575-uchicagolaboratoryschools@intand.com 6/9/23 Faculty in Service / No School https://ucls.tandem.co/index.php?type=key_date&action=details&id=64576 64576-uchicagolaboratoryschools@intand.com 6/19/23 Juneteenth - Holiday https://ucls.tandem.co/index.php?type=key_date&action=details&id=64577 64577-uchicagolaboratoryschools@intand.com 6/20/23 First Day of Summer Lab https://ucls.tandem.co/index.php?type=key_date&action=details&id=64578 64578-uchicagolaboratoryschools@intand.com 7/4/23 Fourth of July - Holiday https://ucls.tandem.co/index.php?type=key_date&action=details&id=64569 64569-uchicagolaboratoryschools@intand.com 7/28/23 Last Day of Summer Lab https://ucls.tandem.co/index.php?type=key_date&action=details&id=64579 64579-uchicagolaboratoryschools@intand.com