Osseo Senior High School is a four-year public high school located in Osseo, Minnesota, United States on 317 2nd Ave. NW. Osseo Senior High School is a part of the Osseo Area School District 279 and is one of three four-year high schools in the district. The school includes grades 9-12 and has done so since September 2015. Previously, grade 9 students attended junior high school. The majority of Osseo students are from Osseo, Brooklyn Park, Maple Grove and Plymouth.