Oneida Nation School System Posted on Jul 29, 2024 by Jennifer Oneida Nation School System Upcoming Events 4:00 pm – 6:00 pm, August 22, 2024 – Open House 4pm-6pm August 22nd August 26, 2024 – First Day of School September 2, 2024 – Labor Day No School September 25, 2024 – No School September 25th Share Article