Ronin Institute

Lacordaire Academy is a Catholic college preparatory school with a coeducational prekindergarten to eighth grade and an all girls ninth through twelfth grade student body. The Academy was established by the Sisters of St. Dominic of Caldwell, New Jersey. The school is located in the Upper Montclair section of Montclair, in Essex County, New Jersey, United States. Lacordaire Academy has been accredited by the New Jersey Department of Education and the Middle States Association of Colleges and Schools Commission on Elementary and Secondary Schools since 1951 and is accredited through January 2025. The school is a member of the New Jersey Association of Independent Schools and is located within the Roman Catholic Archdiocese of Newark.As of the 2019–20 school year, the school had an enrollment of 225 students (plus 15 in PreK) and 32.4 classroom teachers (on an FTE basis), for a student–teacher ratio of 6.9:1. The school's student body was 50.2% (113) White, 23.1% (52) Black, 11.1% (25) two or more races, 10.7% (24) Hispanic and 4.9% (11) Asian.The school was founded in 1920, and named for Pere Henri Lacordaire, a Dominican priest who lived in post-revolution Paris.

Upper Montclair is a census-designated place (CDP), unincorporated community and neighborhood within Montclair in Essex County, New Jersey, United States. As of the 2010 United States Census, the population for the CDP was 11,565. The area is served as United States Postal Service ZIP code 07043. It is often misperceived, even by Montclair residents, to be a separate municipality from Montclair, perhaps aided by this postal designation.

The Montclair Public Library is the public library for the township of Montclair located in Essex County, New Jersey, United States. It serves the residents from two buildings, the Main Library and the Bellevue Avenue Branch. It is a member of the Bergen County Cooperative Library System.

Free Public Library, Upper Montclair Branch is located in Montclair, Essex County, New Jersey, United States. The building was built in 1914 and still serves as a Bellevue Branch of the Montclair Public Library. It is listed on the state and federal registers of historic places.

The Anchorage, also known as the Farlie House, is a Colonial Revival mansion located in Montclair, Essex County, New Jersey, United States. Designed by the architect Francis A. Nelson, the house was built in 1930 and was added to the National Register of Historic Places on July 1, 1988.

Yantacaw Brook is a tributary of the Third River in Essex County, New Jersey, United States. The brook rises in Montclair and then continues into the Third River in Bloomfield, New Jersey and then into Belleville and Nutley, where it enters the Passaic River. Both Yantacaw Brook and the Third River were referred to by the Lenape people as Yantokah or Yantacaw.

The Woman's Club of Upper Montclair is a women's club started in 1900 in the Upper Montclair section of the township of Montclair in Essex County, New Jersey, United States. The clubhouse, located at 200 Cooper Avenue, was added to the National Register of Historic Places on September 4, 2012, for its significance in social history from 1924 to 1940. It was listed as part of the Clubhouses of New Jersey Women's Clubs Multiple Property Submission (MPS).

Von Schmid House, also known as the Pitha House, is located in Montclair, Essex County, New Jersey, United States. The house was built in 1926 and was added to the National Register of Historic Places on July 1, 1988.

Mountain Avenue is an active commuter railroad station in the township of Montclair, Essex County, New Jersey. Serving trains of NJ Transit's Montclair-Boonton Line, Mountain Avenue is one of six stops in the municipality. The next station to the south/east (towards Hoboken Terminal and New York Penn Station) is Upper Montclair. The next station to the north/west (towards Hackettstown) is Montclair Heights. Mountain Avenue contains two low-level side platforms. The station depot built by the Erie Railroad stands on the inbound platform, offering a waiting room for commuters. Part of the depot is also leased by the municipality for a residence.Mountain Avenue station debuted with the opening of passenger service on the New York and Oswego Midland Railroad on January 1, 1873. The current station depot opened in 1893, maintaining an agent until 1959.

Post Office Building, Upper Montclair, also known as the Gumersall Building, is located in Montclair, Essex County, New Jersey, United States. Designed by the architect Francis A. Nelson, the building was built in 1918 and was added to the National Register of Historic Places on July 1, 1988.

The Cliffside Hose Company No. 4, is located in Montclair, Essex County, New Jersey, United States. The firehouse was built in 1901 and added to the National Register of Historic Places on July 1, 1988. The firehouse was built to protect the north end of Montclair and currently houses Montclair Fire Department's Engine 2 and Truck 2.

Brookdale Park is a county park located in the townships of Bloomfield, New Jersey, and Montclair. Designed by the Olmsted Brothers landscape design firm, 78 acres (320,000 m2) are in Bloomfield; Brookdale Park is part of the Essex County park system. It is partially forested and partially lawns, with paths going through.