Immaculate Heart College 2026-2027 Calendar https://ihc.tandem.co/ Key dates for Immaculate Heart College. en-us 12/25/26 Christmas Day https://ihc.tandem.co/index.php?type=key_date&action=details&id=552 552-ihc@intand.com 1/1/27 New Year's Day https://ihc.tandem.co/index.php?type=key_date&action=details&id=553 553-ihc@intand.com 3/28/27 Easter https://ihc.tandem.co/index.php?type=key_date&action=details&id=559 559-ihc@intand.com