From the record
“Schoolhouse No. 5 is a historic building in Hamden, New York. This one-room schoolhouse was built in the winter of 1857-1858, and was then known as Upper Dunk Hill School.”
Wikipedia article Schoolhouse No. 5, CC BY-SA 4.0.
One of 78 National Register listings published here for Delaware County · listed in 2011 · category: Building · built in 1858.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service













