University Of Chicago Laboratory Schools 2023-2024 Calendar https://ucls.tandem.co/ Key dates for University Of Chicago Laboratory Schools. en-us 8/28/23 - 9/1/23 Planning Week (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=80676 80676-uchicagolaboratoryschools@intand.com 9/2/23 - 9/3/23 Blackout Date https://ucls.tandem.co/index.php?type=key_date&action=details&id=82264 82264-uchicagolaboratoryschools@intand.com 9/4/23 Labor Day Holiday (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=80668 80668-uchicagolaboratoryschools@intand.com 9/5/23 First Day of Classes https://ucls.tandem.co/index.php?type=key_date&action=details&id=80675 80675-uchicagolaboratoryschools@intand.com 10/9/23 October Break https://ucls.tandem.co/index.php?type=key_date&action=details&id=80684 80684-uchicagolaboratoryschools@intand.com 11/3/23 Faculty In Service / No School https://ucls.tandem.co/index.php?type=key_date&action=details&id=80677 80677-uchicagolaboratoryschools@intand.com 11/18/23 - 11/26/23 Thanksgiving Break (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=80669 80669-uchicagolaboratoryschools@intand.com 12/16/23 - 1/1/24 Winter Break (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=80670 80670-uchicagolaboratoryschools@intand.com 1/12/24 Snow Day https://ucls.tandem.co/index.php?type=key_date&action=details&id=89077 89077-uchicagolaboratoryschools@intand.com 1/15/24 Martin Luther King Jr Holiday (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=80671 80671-uchicagolaboratoryschools@intand.com 1/16/24 Snow Day https://ucls.tandem.co/index.php?type=key_date&action=details&id=89078 89078-uchicagolaboratoryschools@intand.com 3/6/24 - 3/17/24 Spring Break https://ucls.tandem.co/index.php?type=key_date&action=details&id=80678 80678-uchicagolaboratoryschools@intand.com 4/19/24 Faculty In Service / No School https://ucls.tandem.co/index.php?type=key_date&action=details&id=80679 80679-uchicagolaboratoryschools@intand.com 5/10/24 - 5/12/24 Blackout Date (besides ROM) https://ucls.tandem.co/index.php?type=key_date&action=details&id=82265 82265-uchicagolaboratoryschools@intand.com 5/17/24 - 5/19/24 Blackout Date (besides Alumni Weekend) https://ucls.tandem.co/index.php?type=key_date&action=details&id=82266 82266-uchicagolaboratoryschools@intand.com 5/25/24 - 5/26/24 Blackout Date https://ucls.tandem.co/index.php?type=key_date&action=details&id=82267 82267-uchicagolaboratoryschools@intand.com 5/27/24 Memorial Day Holiday (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=80672 80672-uchicagolaboratoryschools@intand.com 6/6/24 Last Day of Classes https://ucls.tandem.co/index.php?type=key_date&action=details&id=80680 80680-uchicagolaboratoryschools@intand.com 6/7/24 Faculty In Service / No School https://ucls.tandem.co/index.php?type=key_date&action=details&id=80681 80681-uchicagolaboratoryschools@intand.com 6/17/24 First Day of Summer Lab https://ucls.tandem.co/index.php?type=key_date&action=details&id=80682 80682-uchicagolaboratoryschools@intand.com 6/19/24 Juneteenth Holiday (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=80674 80674-uchicagolaboratoryschools@intand.com 7/4/24 Independence Day Holiday (Blackout Date) https://ucls.tandem.co/index.php?type=key_date&action=details&id=80673 80673-uchicagolaboratoryschools@intand.com 7/5/24 No Summer Lab https://ucls.tandem.co/index.php?type=key_date&action=details&id=88928 88928-uchicagolaboratoryschools@intand.com 7/26/24 Last Day of Summer Lab https://ucls.tandem.co/index.php?type=key_date&action=details&id=80683 80683-uchicagolaboratoryschools@intand.com