The Octagon Stone Schoolhouse, also known as The Stone Jug, is an historic, American, one-room school building that is located in South Canaan Township, Wayne County, Pennsylvania.

It was added to the National Register of Historic Places in 1977.

[1] Built circa 1830, this historic structure is an octagonal shaped, one-room, fieldstone building.

It was used as a school until 1900, after which it was used for storage.

[2] It was added to the National Register of Historic Places in 1977.