Rumsey Hall enrolls 309 students, and the campus consists of 32 buildings located on 231 acres along the scenic Bantam River in the Litchfield Hills region.

In 1941, the school passed into the hands of John F. Schereschewsky Sr. Rumsey Hall moved to its current location in 1949, at which point it became coeducational.

in 1943 John F. Schereschewsky Sr. left Rumsey Hall to join the Navy for two years.

During this time, David Griffin Barr, a devoted faculty member since 1914, was appointed interim Director of Rumsey Hall.

Mr. Barr remained as Headmaster until 1956 and John F. Schereschewsky Sr. acted as Director until his death in 1969.