St Marys Ryken High School - GBB 2024-2025 Calendar https://smrgbb.tandem.co/ Key dates for St Marys Ryken High School - GBB. en-us 9/2/24 Labor Day https://smrgbb.tandem.co/index.php?type=key_date&action=details&id=461 461-smrgbb@intand.com 10/14/24 Columbus Day https://smrgbb.tandem.co/index.php?type=key_date&action=details&id=462 462-smrgbb@intand.com 10/31/24 Halloween https://smrgbb.tandem.co/index.php?type=key_date&action=details&id=463 463-smrgbb@intand.com 11/3/24 Daylight Saving Time Ends https://smrgbb.tandem.co/index.php?type=key_date&action=details&id=465 465-smrgbb@intand.com 11/11/24 Veteran's Day https://smrgbb.tandem.co/index.php?type=key_date&action=details&id=464 464-smrgbb@intand.com 11/28/24 Thanksgiving https://smrgbb.tandem.co/index.php?type=key_date&action=details&id=466 466-smrgbb@intand.com 12/25/24 Christmas Day https://smrgbb.tandem.co/index.php?type=key_date&action=details&id=467 467-smrgbb@intand.com 1/1/25 New Year's Day https://smrgbb.tandem.co/index.php?type=key_date&action=details&id=468 468-smrgbb@intand.com 1/20/25 Martin Luther King Day https://smrgbb.tandem.co/index.php?type=key_date&action=details&id=469 469-smrgbb@intand.com 2/14/25 Valentine's Day https://smrgbb.tandem.co/index.php?type=key_date&action=details&id=470 470-smrgbb@intand.com 2/17/25 President's Day https://smrgbb.tandem.co/index.php?type=key_date&action=details&id=471 471-smrgbb@intand.com 3/9/25 Daylight Saving Time Begins https://smrgbb.tandem.co/index.php?type=key_date&action=details&id=472 472-smrgbb@intand.com 3/17/25 St. Patrick's Day https://smrgbb.tandem.co/index.php?type=key_date&action=details&id=473 473-smrgbb@intand.com 4/20/25 Easter https://smrgbb.tandem.co/index.php?type=key_date&action=details&id=474 474-smrgbb@intand.com 5/5/25 Cinco De Mayo https://smrgbb.tandem.co/index.php?type=key_date&action=details&id=475 475-smrgbb@intand.com 5/26/25 Memorial Day https://smrgbb.tandem.co/index.php?type=key_date&action=details&id=476 476-smrgbb@intand.com 7/4/25 Independence Day https://smrgbb.tandem.co/index.php?type=key_date&action=details&id=477 477-smrgbb@intand.com