Union County Park Commission Administration Buildings

Lenape Park is a 450-acre wildlife reserve and park that is part of the Rahway River Parkway in Union County, New Jersey. The park is located in four towns: Westfield, Springfield, Kenilworth, and Cranford. It is linked by a crosswalk to Nomahegan Park. The park encompasses stretches of both the Rahway River and Nomahegan Brook, and comprises one of the largest undeveloped properties in the Rahway River watershed. Lenape refers to the Native Americans who occupied the region; the names "Rahway" and "Nomahegan" are derivative of their language.An approximately 4.5-mile off-road paved pedestrian path stretches eastbound from Mountainside Police Headquarters in Mountainside, through Echo Lake Park in Westfield, Lenape Park in Westfield and Cranford, Black Brook Park in Kenilworth, and ending near 505 North Michigan Avenue in Kenilworth. The East Coast Greenway traverses the park. The French-Richards Burying Ground, which was established in 1724, abuts the park.A small section of woodland trail exists behind Lenape Park pond.

Warinanco Park (pronounced by locals as War-Rah-NINK-co) is a county park in Union County, New Jersey. It is 204 acres (83 ha) in size. It is located in Roselle at the border with the neighboring cities of Elizabeth and Linden.

Rav Teitz Mesivta Academy, commonly known as RTMA or JEC High School, is a Yeshiva high school located in Elizabeth, New Jersey and a branch of the Jewish Educational Center. Founded in 1955 by Rabbi Pinchas Mordechai Teitz, RTMA adheres to the tenets and practices of Orthodox Judaism. It is one of the country's earliest and leading Modern Orthodox Yeshiva high schools. RTMA's dual curriculum offers courses in Torah studies, as well as college preparatory academics. Most of its students reside in the Orthodox Jewish communities of New Jersey and New York. The school has been accredited by the Middle States Association of Colleges and Schools Commission on Secondary Schools since 2008 and is accredited until January 2024.As of the 2019–20 school year, the school had an enrollment of 145 students and 26.1 classroom teachers (on an FTE basis), for a student–teacher ratio of 5.6:1. The school's student body was 100% White.

The Jewish Educational Center is an eighty-year-old yeshiva school located in Elizabeth, in Union County, New Jersey, United States, serving students in Pre-Kindergarten through twelfth grades. Throughout the day the student curriculum consists of Judaic and secular studies. JEC, as it is commonly known, is run by its dean, Rabbi Elazar Mayer Teitz. The school has been accredited by the Middle States Association of Colleges and Schools Commission on Secondary Schools since 2008 and is accredited until January 2024. The Jewish Educational Center also includes the Jewish communities of Elizabeth and Hillside, including five synagogues, a mikveh and a cemetery. The school includes three divisions: JEC Lower School: Pre-Kindergarten to 5th grade for boys, Pre-Kindergarten to 6th grade for girls, founded in 1939. Rav Teitz Mesivta Academy (RTMA) : 6th to 12th grade for boys, founded in 1955. Bruriah High School for Girls: 7th to 12th grade for girls, founded in 1963.As of the 2013-14 school year, the Yeshiva of Elizabeth (now JEC Lower School) had an enrollment of 205 students (plus 74 in pre-K) and 31.8 classroom teachers (on an FTE basis), for a student–teacher ratio of 6.4:1. The Rav Teitz Mesivta Academy had an enrollment of 190 students and 21.0 classroom teachers (on an FTE basis), for a ratio of 9.0:1. The Bruriah High School for Girls had an enrollment of 377 students and 23.0 classroom teachers (on an FTE basis), for a ratio of 16.4:1.Advanced Placement (AP) courses offered are: AP Chemistry, AP Physics B, AP Physics C, AP Calculus AB and BC, AP Computers A and AB, AP United States History, AP English Literature and Composition, AP Russian, AP Psychology, AP Biology, and AP Statistics. Most of these are only primarily offered to juniors and seniors. Each year over 90% of the Senior class studies for a year or two in yeshivas in Israel before beginning college. The Jewish Educational Center uses the Arrowsmith Program.

Elizabeth Borough was a borough that existed in Essex County, in the U.S. state of New Jersey, from 1740 until 1855. Elizabeth was established as a borough by Royal Charter on February 8, 1740, and was rechartered by the New Jersey Legislature on November 28, 1789.Portions of the borough were taken to form Union Township (November 23, 1808) and Clinton Township (April 14, 1834).On March 13, 1855, the City of Elizabeth was created, consolidating Elizabeth Borough and Elizabeth Township. With the creation of the City of Elizabeth, Elizabeth Township was dissolved.

Alexander Hamilton Preparatory Academy (abbreviated as AHPA) is a four-year comprehensive public high school located in Elizabeth, in Union County, New Jersey, United States, operating as part of Elizabeth Public Schools. The academy accepts students in ninth through twelfth grades in Elizabeth who have passed the requirements for enrollment. The academy is operated by the Elizabeth Board of Education. The school has been accredited by the Middle States Association of Colleges and Schools Commission on Elementary and Secondary Schools since 2013. The school's college-preparatory curriculum prepares students for four-year colleges and universities. As of the 2021–22 school year, the school had an enrollment of 961 students and 62.5 classroom teachers (on an FTE basis), for a student–teacher ratio of 15.4:1. There were 492 students (51.2% of enrollment) eligible for free lunch and 103 (10.7% of students) eligible for reduced-cost lunch.

The New Jersey Academy of Science (NJAS) is a private, nonprofit society of scientists and others interested in science, with a membership of about 400 individuals in academia, government, and industry. The academy also includes college students who are pursuing both graduate and undergraduate degrees in the senior academy, as well as high school students in the junior academy. Founded in 1954, the NJAS is a member of the American Association for the Advancement of Science and of the National Academy of Sciences and works with the New Jersey state government to stimulate education and scientific research throughout the state. The NJAS is headquartered at Kean University in Union, New Jersey.

On December 16, 1951, a Miami Airlines Curtiss C-46 Commando airliner crashed in the city of Elizabeth, New Jersey, shortly after taking off from nearby Newark Airport. All 56 people on board were killed. At the time, it was the second-deadliest aviation accident on US soil, behind Northwest Orient Airlines Flight 2501.

Linden Yard is the name of two separate railroad freight yards in Linden, New Jersey, United States. One is owned by the Staten Island Railway (SIR) and the other is managed by Conrail Shared Assets Operations along the Northeast Corridor (NEC) right of way.

Kean University () is a public university in Union and Hillside, New Jersey. It is part of New Jersey's public system of higher education. Kean University was founded in 1855 in Newark, New Jersey, as the Newark Normal School. Initially established for the exclusive purpose of being a teacher-education college it became New Jersey State Teachers College in 1937. In 1958, following a post-war boom of students and increasing demands for a more comprehensive curriculum, the college was relocated from Newark to Union Township, site of the Kean family's ancestral home at Liberty Hall. After its move to the historic Livingston-Kean Estate, which includes the entire Liberty Hall acreage, the historic James Townley House, and Kean Hall, which historically housed the library of United States Senator Hamilton Fish Kean and served as a political meeting place, the school became Newark State College, a comprehensive institution providing a full range of academic programs and majors. Renamed Kean College of New Jersey in 1973, the institution earned university status on September 26, 1997, becoming Kean University of New Jersey. Kean University has subsequently grown to become the third largest institution of higher education in New Jersey and currently comprises five undergraduate colleges and the Nathan Weiss Graduate College. Kean University also hosts numerous research institutions, perhaps most prominently the New Jersey Center for Science, Technology and Mathematics, the Kean University Human Rights Institute, the Holocaust Resource Center, the Wynona Moore Lipman Ethnic Studies Center, and Liberty Hall. In recent years Kean has expanded to a satellite campus in Toms River, New Jersey, a campus in the Skylands of New Jersey and has a foreign campus in Wenzhou, China.

The Liberty Hall Museum, located in Union, Union County, New Jersey, United States, is a historic home where many leading influential people lived. It is now a museum. Originally a fourteen-room Georgian-style house, it was built in 1772. Liberty Hall stands today as a fifty-room Victorian Italianate mansion. Liberty Hall has been home to many historical figures and was the home of William Livingston, the first Governor of New Jersey, who served from 1776 to 1790; United States Supreme Court Justice Henry Brockholst Livingston; the Kean political dynasty, including Susan Livingston Kean, widow of Continental Congress delegate John Kean, United States Senator and Congressman John Kean, and Captain John Kean, son of United States Senator Hamilton Fish Kean; and, in its first year of occupancy, future Treasury Secretary Alexander Hamilton. Liberty Hall has had visitors of such stature as George Washington, Martha Washington, Lewis Morris, Marquis de Lafayette, Elias Boudinot, and John Jay, the latter of whom was married there. The Liberty Hall Museum is located on the Liberty Hall Campus of Kean University in Union, New Jersey between the campus' Main Campus in Union and East Campus in Hillside, New Jersey.

St. Mary of the Assumption High School is a small Catholic high school on Broad Street in Elizabeth, Union County, in the U.S. state of New Jersey. The old high school building consists of a three-story brick building with a basement serving as additional classroom space for a total of four floors of education space. The school is affiliated with its parent parish, St. Mary's Church, and operates under the auspices of the Roman Catholic Archdiocese of Newark. The school has been accredited by the Middle States Association of Colleges and Schools Commission on Elementary and Secondary Schools since 1992.As of the 2017–18 school year, the school had an enrollment of 184 students and 16.1 classroom teachers (on an FTE basis), for a student–teacher ratio of 11.4:1. The school's student body was 50.5% (93) Black, 21.2% (39) Asian, 19.6% (36) two or more races, 6.5% (12) White and 1.1% (2) Hispanic.