Ossining Union Free School District 2021-2022 Calendar https://ossiningunionfree.tandem.co/ Key dates for Ossining Union Free School District. en-us 8/31/21 - 9/1/21 Superintendent’s Conference Days https://ossiningunionfree.tandem.co/index.php?type=key_date&action=details&id=232 232-ossiningunionfree@intand.com 9/2/21 Schools Open https://ossiningunionfree.tandem.co/index.php?type=key_date&action=details&id=233 233-ossiningunionfree@intand.com 9/6/21 Labor Day https://ossiningunionfree.tandem.co/index.php?type=key_date&action=details&id=234 234-ossiningunionfree@intand.com 9/7/21 - 9/8/21 Rosh Hashanah https://ossiningunionfree.tandem.co/index.php?type=key_date&action=details&id=235 235-ossiningunionfree@intand.com 9/16/21 Yom Kippur https://ossiningunionfree.tandem.co/index.php?type=key_date&action=details&id=236 236-ossiningunionfree@intand.com 10/11/21 Columbus Day https://ossiningunionfree.tandem.co/index.php?type=key_date&action=details&id=237 237-ossiningunionfree@intand.com 11/2/21 Superintendent’s Conference Day https://ossiningunionfree.tandem.co/index.php?type=key_date&action=details&id=238 238-ossiningunionfree@intand.com 11/11/21 Veterans Day https://ossiningunionfree.tandem.co/index.php?type=key_date&action=details&id=239 239-ossiningunionfree@intand.com 11/24/21 Half Day of Instruction https://ossiningunionfree.tandem.co/index.php?type=key_date&action=details&id=240 240-ossiningunionfree@intand.com 11/25/21 - 11/26/21 Thanksgiving Recess https://ossiningunionfree.tandem.co/index.php?type=key_date&action=details&id=241 241-ossiningunionfree@intand.com 12/24/21 - 12/31/21 Holiday Recess https://ossiningunionfree.tandem.co/index.php?type=key_date&action=details&id=242 242-ossiningunionfree@intand.com 1/1/22 Holiday Recess https://ossiningunionfree.tandem.co/index.php?type=key_date&action=details&id=243 243-ossiningunionfree@intand.com 1/17/22 Martin Luther King Day https://ossiningunionfree.tandem.co/index.php?type=key_date&action=details&id=244 244-ossiningunionfree@intand.com 2/21/22 - 2/25/22 Winter Recess https://ossiningunionfree.tandem.co/index.php?type=key_date&action=details&id=245 245-ossiningunionfree@intand.com 3/10/22 Superintendent’s Conference Day https://ossiningunionfree.tandem.co/index.php?type=key_date&action=details&id=246 246-ossiningunionfree@intand.com 4/11/22 - 4/15/22 Spring Recess https://ossiningunionfree.tandem.co/index.php?type=key_date&action=details&id=247 247-ossiningunionfree@intand.com 5/30/22 Memorial Day https://ossiningunionfree.tandem.co/index.php?type=key_date&action=details&id=248 248-ossiningunionfree@intand.com 6/20/22 Juneteenth (Observed) https://ossiningunionfree.tandem.co/index.php?type=key_date&action=details&id=249 249-ossiningunionfree@intand.com 6/24/22 Last Day for Students/Rating Day https://ossiningunionfree.tandem.co/index.php?type=key_date&action=details&id=250 250-ossiningunionfree@intand.com