Forest Grove School District is a public school district in Washington County, Oregon, United States. It serves the communities of Cornelius, Dilley, Forest Grove and Gales Creek. David Parker is the superintendent of the district. The Forest Grove Elementary college District 15 was created in 1855 and later merged with several other districts including the Cornelius Elementary School District 2, with the larger district then later merged with the Forest Grove high school district (5). The Cornelius district was dissolved in 1960, with the western parts of the enrollment area going to the Forest Grove district and the eastern part going to the Hillsboro districts.

Cornelius is a city in Washington County, Oregon, United States. Located in the Portland metropolitan area, the city's population was 11,869 at the 2010 census. The city lies along Tualatin Valley Highway between Forest Grove to the west and Hillsboro to the east. Cornelius was incorporated in 1893 and is named for founder Thomas R. Cornelius.