Public School 111 ARCHITECT: Samuel B. Leonard DATE: 1867-68 STYLE: Romanesque Revival Public School 111 has been a neighborhood institution in the Prospect Heights section of Brooklyn for 150 years. Prominently sited at the northwest corner of Sterling Place and Vanderbilt Avenue near Grand Army Plaza , it is a handsome brick school building in the early Romanesque Revival , or round-arched , style. When the building opened in 1868 it was known as Public School 9. The school building is a fine example of the early Romanesque Revival style, distinguished by round arches executed ln brick.

Designed in the late Romanesque Revival style by James Naughton and built in 1895 to handle the increasing student enrollment of P.S. 9 (today P.S. 340) across the street, the P.S. 9 Annex in Prospect Heights, Brooklyn is a brick and sandstone structure, featuring Italianate architectural elements including protruding dormers, towers and colonnettes, with accents of terra-cotta. In 1978, P.S. 9 Annex was listed on the National Register of Historic places and was converted into 22 co-op apartments in 1989.