University Of Chicago Laboratory Schools 2024-2025 Calendar https://ucls.tandem.co/ Key dates for University Of Chicago Laboratory Schools. en-us 8/20/24 - 8/22/24 New Faculty Orientation https://ucls.tandem.co/index.php?type=key_date&action=details&id=88691 88691-uchicagolaboratoryschools@intand.com 8/26/24 - 8/30/24 Planning Week (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=91923 91923-uchicagolaboratoryschools@intand.com 8/31/24 - 9/2/24 Labor Day (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=88674 88674-uchicagolaboratoryschools@intand.com 9/3/24 First Day of Classes https://ucls.tandem.co/index.php?type=key_date&action=details&id=88684 88684-uchicagolaboratoryschools@intand.com 10/5/24 - 10/6/24 Comer Race (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=91924 91924-uchicagolaboratoryschools@intand.com 10/14/24 October Break https://ucls.tandem.co/index.php?type=key_date&action=details&id=88675 88675-uchicagolaboratoryschools@intand.com 11/1/24 PD Day (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=88692 88692-uchicagolaboratoryschools@intand.com 11/23/24 - 12/1/24 Thanksgiving Break (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=88676 88676-uchicagolaboratoryschools@intand.com 12/21/24 - 1/5/25 Winter Break (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=88677 88677-uchicagolaboratoryschools@intand.com 1/20/25 MLK Holiday (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=88678 88678-uchicagolaboratoryschools@intand.com 2/17/25 PD Day (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=88679 88679-uchicagolaboratoryschools@intand.com 3/8/25 - 3/23/25 Spring Break https://ucls.tandem.co/index.php?type=key_date&action=details&id=88680 88680-uchicagolaboratoryschools@intand.com 4/11/25 PD Day (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=88681 88681-uchicagolaboratoryschools@intand.com 4/14/25 No School https://ucls.tandem.co/index.php?type=key_date&action=details&id=88685 88685-uchicagolaboratoryschools@intand.com 5/2/25 - 5/4/25 Alumni Weekend (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=92015 92015-uchicagolaboratoryschools@intand.com 5/24/25 - 5/26/25 Memorial Day (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=88682 88682-uchicagolaboratoryschools@intand.com 5/30/25 - 6/1/25 Rites of May (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=92016 92016-uchicagolaboratoryschools@intand.com 6/12/25 Last Day of Classes https://ucls.tandem.co/index.php?type=key_date&action=details&id=88686 88686-uchicagolaboratoryschools@intand.com 6/13/25 No School / Faculty In-Service https://ucls.tandem.co/index.php?type=key_date&action=details&id=88687 88687-uchicagolaboratoryschools@intand.com 6/14/25 - 6/18/25 University Library Conference (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=91925 91925-uchicagolaboratoryschools@intand.com 6/19/25 Juneteenth Holiday (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=88688 88688-uchicagolaboratoryschools@intand.com 6/23/25 First Day of Summer Lab https://ucls.tandem.co/index.php?type=key_date&action=details&id=88689 88689-uchicagolaboratoryschools@intand.com 7/4/25 Independence Day (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=88683 88683-uchicagolaboratoryschools@intand.com 8/1/25 Last Day of Summer Lab https://ucls.tandem.co/index.php?type=key_date&action=details&id=88690 88690-uchicagolaboratoryschools@intand.com