School Events School Events School Events August 29, 2025 Labor Day No School August 29, 2025 - September 1, 2025 See more details August 30, 2025 Labor Day No School August 29, 2025 - September 1, 2025 See more details August 31, 2025 Labor Day No School August 29, 2025 - September 1, 2025 See more details September 1, 2025 Labor Day No School August 29, 2025 - September 1, 2025 See more details September 5, 2025 Miosha Safety Training Ontonagon High School September 5, 2025 12:30 pm - 2:00 pm See more details