Beaverton School District

The Beaverton School District (BSD 48J) is a school district in and around Beaverton, Oregon, United States. It serves students throughout Beaverton, Hillsboro, Aloha, and unincorporated neighborhoods of Portland, Oregon. The Beaverton Elementary School District 48 was established in 1876, with other elementary districts later merged into the district. The elementary district was later merged with the high school district (10J) to create a unified school district. It is the third-largest school district in the state, with an enrollment of 39,180 students as of 2022. For the 2022–23 school year, the district had a total budget of $622.8 million.

The district employs over 2,100 teachers at its 34 elementary, nine middle, and six high schools as well as several option schools. Mountainside High School, the district's sixth high school, opened in 2017. Tumwater Middle School (previously Timberland), the district's ninth middle school, opened in the fall of 2021.