Seminole I.S.D. 2025-2026 Calendar https://seminoleisd.tandem.co/ Key dates for Seminole I.S.D.. en-us 7/3/25 Holiday https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47954 47954-seminoleisd@intand.com 7/30/25 - 7/31/25 District Days of Innovation (Non Working Days) https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47953 47953-seminoleisd@intand.com 8/1/25 New Staff Inservice / Instruction Dept. https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47955 47955-seminoleisd@intand.com 8/4/25 - 8/5/25 New Staff Inservice / Instruction Dept. https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47956 47956-seminoleisd@intand.com 8/6/25 - 8/8/25 All Staff Inservice https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47957 47957-seminoleisd@intand.com 8/11/25 - 8/12/25 All Staff Inservice https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47958 47958-seminoleisd@intand.com 8/13/25 First Day of School https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47959 47959-seminoleisd@intand.com 8/13/25 Start of the first six weeks https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47962 47962-seminoleisd@intand.com 9/1/25 Holiday - Labor Day https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47960 47960-seminoleisd@intand.com 9/15/25 Staff Development Day - Student Holiday https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47961 47961-seminoleisd@intand.com 9/19/25 End of the first six weeks https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47963 47963-seminoleisd@intand.com 9/22/25 Start of the second six weeks https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47964 47964-seminoleisd@intand.com 10/3/25 Fall Break https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47965 47965-seminoleisd@intand.com 10/6/25 Fall Break https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47966 47966-seminoleisd@intand.com 10/31/25 End of the second six weeks https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47967 47967-seminoleisd@intand.com 11/3/25 Staff Development Day - Student Holiday https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47968 47968-seminoleisd@intand.com 11/4/25 Start of third six weeks https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47969 47969-seminoleisd@intand.com 11/24/25 - 11/28/25 Thanksgiving Break https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47970 47970-seminoleisd@intand.com 12/19/25 Early Release https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47971 47971-seminoleisd@intand.com 12/22/25 - 12/26/25 Christmas Break https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47972 47972-seminoleisd@intand.com 12/29/25 - 1/2/26 Christmas Break https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47973 47973-seminoleisd@intand.com 1/5/26 Christmas Break https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47974 47974-seminoleisd@intand.com 1/6/26 Staff Development Day - Student Holiday https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47975 47975-seminoleisd@intand.com 1/7/26 Start of the fourth six weeks https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47976 47976-seminoleisd@intand.com 1/19/26 Staff Development Day - Student Holiday https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47977 47977-seminoleisd@intand.com 2/9/26 Bad Weather Day https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47978 47978-seminoleisd@intand.com 2/13/26 End of the fourth six weeks https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47979 47979-seminoleisd@intand.com 2/16/26 Staff Development Day - Student Holiday https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47980 47980-seminoleisd@intand.com 2/17/26 Start of the fifth six weeks https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47981 47981-seminoleisd@intand.com 3/16/26 - 3/20/26 Spring Break https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47982 47982-seminoleisd@intand.com 4/2/26 End of the fifth six weeks https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47983 47983-seminoleisd@intand.com 4/3/26 Holiday - Good Friday https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47984 47984-seminoleisd@intand.com 4/6/26 Bad Weather Day https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47985 47985-seminoleisd@intand.com 4/7/26 Start of the sixth six weeks https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47986 47986-seminoleisd@intand.com 5/8/26 Staff Development Day - Student Holiday https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47987 47987-seminoleisd@intand.com 5/22/26 Early Release https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47988 47988-seminoleisd@intand.com 5/22/26 End of the sixth six weeks https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47989 47989-seminoleisd@intand.com 5/25/26 Holiday - Memorial Day https://seminoleisd.tandem.co/index.php?type=key_date&action=details&id=47990 47990-seminoleisd@intand.com