Mason-Dorton School

Mason–Dorton School, also known as Mason's Store School and Dorton School, is a historic school building located at Castlewood, Russell County, Virginia. It was built in 1885, and is a one-story, two-room, frame building. It measures approximately 46 feet by 24 feet. The school has a gable roof and is sheathed in weatherboard. The school closed in 1958.

It was listed on the National Register of Historic Places in 2002.