North Branch Raritan River

West Morris Mendham High School (also known as Mendham High School) is home of the Minutemen, and is a four-year comprehensive regional public high school that serves students in ninth though twelfth grades as part of the West Morris Regional High School District. Established in 1970, the school is located in the heart of Mendham Borough, in the U.S. state of New Jersey. Students who attend the school come from the Morris County municipalities of Chester Borough, Chester Township, Mendham Borough and Mendham Township (including the areas of Brookside and Ralston).As of the 2021–22 school year, the school had an enrollment of 1,106 students and 94.0 classroom teachers (on an FTE basis), for a student–teacher ratio of 11.8:1. There were 15 students (1.4% of enrollment) eligible for free lunch and none eligible for reduced-cost lunch.Its sister school, West Morris Central High School, is located in Washington Township. Students from Washington Township attend West Morris Central. The two schools maintain an athletic rivalry, which has survived decades of conference and schedule changes for all sports. Mount Olive High School was broken off from the original three-school district in 1977.Mendham was certified to offer the International Baccalaureate (IB) diploma in January 1998. The school was one of 17 high schools in New Jersey to offer the IB diploma program in 2021; along with its sister school West Morris Central, it is one of the two high schools in New the state to offer both the IB Diploma and Career Programs.

The Mendham Borough Schools are a community public school district that serves students in pre-kindergarten through eighth grade from Mendham Borough, in Morris County, New Jersey, United States.As of the 2020–21 school year, the district, comprised of two schools, had an enrollment of 485 students and 53.4 classroom teachers (on an FTE basis), for a student–teacher ratio of 9.1:1.Students in public school for ninth through twelfth grades attend West Morris Mendham High School, which is located in Mendham Borough and serves students from Chester Borough, Chester Township, Mendham Borough and Mendham Township. The school is part of the West Morris Regional High School District, which also serves students from Washington Township at West Morris Mendham High School. As of the 2020–21 school year, the high school had an enrollment of 1,142 students and 91.9 classroom teachers (on an FTE basis), for a student–teacher ratio of 12.4:1.The district is classified by the New Jersey Department of Education as being in District Factor Group "J", the highest of eight groupings. District Factor Groups organize districts statewide to allow comparison by common socioeconomic characteristics of the local districts. From lowest socioeconomic status to highest, the categories are A, B, CD, DE, FG, GH, I and J.

Mendham Borough is a borough in Morris County, in the U.S. state of New Jersey. As of the 2020 United States census, the borough's population was 4,981, unchanged from the 2010 census, which in turn reflected a decline of 116 (−2.3%) from the 5,097 counted in the 2000 census. Located in the Raritan Valley region within the New York Metropolitan area, the North Branch of the Raritan River begins in Mendham Borough and flows in a southwest direction towards neighboring Somerset County.Located on the northern end of the Somerset Hills region, the borough is known for its country homes and historic downtown.The Mendham Historic District was listed on the National Register of Historic Places and the state register in 1985. Notable landmarks in the district include the Phoenix House, which serves as the borough's municipal building, along with the Black Horse Inn Tavern & Pub; New Jersey’s oldest continually operating restaurant, dating back to 1742.New Jersey Monthly magazine ranked Mendham Borough as the number one place to live in the state in its 2013 rankings of the "Best Places to Live" in New Jersey.In the Forbes magazine's 2006 (209th; median sale price of $835,000) and 2012 (356th; $800,672) rankings of the Most Expensive ZIP Codes in the United States, Mendham was listed among the top 500 nationwide.Along with Mendham Township, the Mendhams have been described by The New York Times as "both affluent". The borough is one of the state's highest-income communities. Based on data from the American Community Survey (ACS) for 2014–2018, Mendham Borough residents had a median household income of $158,542, almost double the statewide median of $79,363.

The Combs Hollow Historic District is a historic district in Randolph, Morris County, New Jersey and extending into Mendham Township. The district was added to the National Register of Historic Places on February 16, 1996, for its significance in industry from c. 1735 to 1927. It includes 11 contributing buildings, 4 contributing structures, and 14 contributing sites.

Brookside (once called Waterstreet) is a historic unincorporated community and census-designated place (CDP) located within Mendham Township in Morris County, in the U.S. state of New Jersey. It is located approximately 6 mi (9.7 km) west of Morristown. It is close to the Washington Valley Historic District in neighboring Morris Township. The settlement appeared on maps as early as 1777. A portion of the Patriots' Path, the trail George Washington and his troops marched on, runs through Brookside's woods along the Whippany River. Brookside was noted as a postal village in 1882. In 1883, the population was 187. The Brookside Post Office, which at one time was also a general store and gas station, is still the social hub of the village. Many residents stop there daily to collect their mail. In 1996, most of the village was listed on the National Register of Historic Places as the Brookside Historic District. In the Forbes magazine 2009 ranking of the Most Expensive ZIP Codes in the United States, Brookside was ranked as the 10th most expensive in the country, with its median home sale price of $3,121,115.It was first listed as a CDP in 2020 census with a population of 1,767.

The Assumption College for Sisters is a private two-year Roman Catholic women's college formerly located in Mendham Borough, New Jersey. Founded in 1953 through an affiliation with nearby Seton Hall University, Assumption is run by the Sisters of Christian Charity. It is the last remaining sisters' college, or college primarily designed to educate religious sisters, located in the United States. Since 2014, Assumption has shared a campus with Morris Catholic High School in Denville Township, New Jersey.

The Mendham Township Public Schools is a community public school district serving students in pre-kindergarten through eighth grade in Mendham Township, in Morris County, New Jersey, United States.As of the 2020–21 school year, the district, comprised of two schools, had an enrollment of 745 students and 73.9 classroom teachers (on an FTE basis), for a student–teacher ratio of 10.1:1.The district is classified by the New Jersey Department of Education as being in District Factor Group "J", the highest of eight groupings. District Factor Groups organize districts statewide to allow comparison by common socioeconomic characteristics of the local districts. From lowest socioeconomic status to highest, the categories are A, B, CD, DE, FG, GH, I and J.Students in public school for ninth through twelfth grades attend West Morris Mendham High School, which is located in Mendham Borough and serves students from Chester Borough, Chester Township, Mendham Borough and Mendham Township. The school is part of the West Morris Regional High School District, which also serves students from Washington Township at West Morris Mendham High School. As of the 2020–21 school year, the high school had an enrollment of 1,142 students and 91.9 classroom teachers (on an FTE basis), for a student–teacher ratio of 12.4:1.

Mendham Township is a township in Morris County, in the U.S. state of New Jersey, located more than 30 miles (48 km) due west of New York City. As of the 2020 United States census, the township's population was 6,016, an increase of 147 (+2.5%) from the 2010 census count of 5,869, which in turn reflected an increase of 469 (+8.7%) from the 5,400 counted in the 2000 census.Periodically recognized as part of the Somerset Hills, Mendham Township is located in the Raritan Valley region within the New York Metropolitan area. The township may be named for Mendham, Suffolk, England, or it may derive from the Native American word mendom (meaning "raspberry") or for an Earl of Mendham.The long-established hamlets of Brookside and Ralston are located within Mendham, and both are listed on the National Register of Historic Places.Along with Mendham Borough, the Mendhams have been described by The New York Times as "both affluent". The township has been one of the highest-income small municipalities in the United States. Based on data from the 2012-2016 American Community Survey, NJ.com ranked the township as having the third-highest income in the state, with a median household income of $176,875. Based on data from the ACS for 2014–2018, Mendham Township ranked fifth in the state with a median household income of $185,882.In 2010, Forbes.com listed Mendham as 224th in its listing of "America's Most Expensive ZIP Codes", with a median home price of $1,006,491.

Mount Freedom Presbyterian Church is a historic Christian house of worship affiliated with the Presbyterian Church (U.S.A.) and located at the intersection of Sussex Turnpike and Church Road in the Mount Freedom section of Randolph Township in Morris County, New Jersey, United States. This congregation is overseen by the Presbytery of Newton. This church was closed for a few years. It is now Faithfulness Church, a Chinese Protestant Church. The church building was built in 1868 and added to the National Register of Historic Places in 1991.

The Tempe Wick Road–Washington Corners Historic District is a 353-acre (143 ha) historic district located in Harding Township and Mendham Township in Morris County, New Jersey. It extends along Tempe Wick Road from Mount Kemble Avenue (U.S. Route 202) to Cold Hill Road, and short segments of Corey Lane, Cemetery Road, Kennaday Road, Leddell Road, and Jockey Hollow Road. Tempe Wick Road is named for Temperance Wick. The district was added to the National Register of Historic Places on August 25, 2000, for its significance in architecture and military history. The district includes 44 contributing buildings, 6 contributing sites, 10 contributing structures, and 4 contributing objects.

Schiff Nature Preserve is a 780-acre nature preserve located in Mendham Township and Mendham Borough in Morris County, New Jersey, United States. The property is the main site of the Schiff Natural Lands Trust, which also owns additional land throughout the area and holds about 50 acres in conservation easements. Historically known as the Brookrace Estate, it was documented by the Historic American Buildings Survey (HABS) in 1995.

General Douglas MacArthur Military Academy was a military high school that was started by dissatisfied staff, faculty, and parents of Eastern Military Academy during the final years of that school's existence. It was named for General Douglas MacArthur. The school existed from 1966 to 1975 and was located in Mount Freedom, New Jersey. The school took over Lieberman's Royal House Hotel. The building was subsequently demolished. The site is vacant.