27 (Commodore John Rodgers Elementary School) is a historic elementary school located in Baltimore, Maryland, United States.

It is a freestanding brick building that rises 3+1⁄2–4 levels from a low granite base to its essentially flat roof and parapet.

The exterior features a double stair of granite that leads up to the main entrance at the first floor of the building.

27 (Commodore John Rodgers Elementary School) was listed on the National Register of Historic Places in 1986.

This article about a Registered Historic Place in Baltimore is a stub.