The former Prospect Hill School at 33 Montgomery Street in Westfield was erected in 1897 to replace an earlier school building on the site, erected c. 1850s-1860s. The new school building was designed by local architect Augustus W. Holton and originally had eight classrooms and a recessed entry with a portico. In 1919 the building was enlarged and altered, with two more classrooms and an auditorium being added, the new front entry being in a projecting central pavilion. The school closed in 1991. The school building was later redeveloped as apartments.