Stanley School-District No. 2 is a historic one-room school building located at Chain O'Lakes State Park in Green Township, Noble County, Indiana. It was built in 1915, and is a one-story, "T"-plan, vernacular brick building. The front facade features a large central projecting gable topped by a belfry. The building operated as a school until 1954 and housed a nature center until 2013, when it was restored to a one-room school house.
It was listed on the National Register of Historic Places in 2014.