Christian Liberty Academy

Arlington High School was a public high school located in Arlington Heights, Illinois, which operated from 1922 to 1984. It was the oldest school in Township High School District 214 which served students in Arlington Heights, Buffalo Grove, Elk Grove Village, Mount Prospect, Prospect Heights, Rolling Meadows and Wheeling, Illinois. The school occupied a site that is approximately 1.3 km due east of Arlington Racetrack. In the mid-1980s, District 214 had budget concerns with declining enrollment. As a result, the district board members decided to close Arlington High School in 1984, and Forest View High School in 1986.

The Nathaniel Moore Banta House is an Arts and Crafts residence adjacent to the Muller House on the grounds of the Arlington Heights Historical Museum, United States. It has been on the National Register of Historic Places since May 20, 1998.

The Müller House is a historic house located at 500 North Vail Avenue in Arlington Heights, Illinois. F.W. Müller built the house for his family and their soda water business in 1882. The Müller business was one of the first commercial establishments in Arlington Heights and was part of the city's early transition from a rural settlement to a large suburb of Chicago. The house is also an uncommon blend of architectural styles; while it features a Greek Revival cornice with scrolled brackets and a symmetrical front facade, the style is not seen elsewhere in the house, which otherwise has a Victorian design. The design also combines the functional necessities of the factory with the decorative features of a middle-class home; prominent among the latter is the house's woodwork, which includes a carved oak staircase.The house was added to the National Register of Historic Places on March 26, 1979. It is now part of the Arlington Heights Historical Museum.

Arlington Heights is one of two commuter railroad stations along Metra's Union Pacific Northwest Line in the village of Arlington Heights, Illinois. The station is located at 45 West Northwest Highway (US 14), between Vail and Dunton Avenues, and lies 22.9 miles (36.9 km) from Ogilvie Transportation Center in Chicago and 40.3 miles (64.9 km) from Harvard. In Metra's zone-based fare system, Arlington Heights is in zone E. As of 2018, Arlington Heights is the fifth busiest of the 236 non-downtown stations in the Metra system, with an average of 2,506 weekday boardings.As of April 25, 2022, Arlington Heights is served by 27 inbound trains and 28 outbound trains on weekdays, by all 17 trains in both directions on Saturdays, and by all 10 inbound trains and all 11 outbound trains on Sundays. Four inbound trains originate from Arlington Heights, and four outbound trains terminate at Arlington Heights on weekdays. One inbound train originates from Arlington Heights on weekends. Parking is available along Northwest Highway and the north side of the tracks from east of Walnut Avenue to Dunton Avenue. It is also available on the south side of the tracks between Vail and Dunton Avenues leading into Payton Run. A much larger parking lot exists on the south side of the track between Evergreen Avenue and Arlington Heights Road north of Sigwalt Street. A fourth parking lot is available north of US 14 along Vail Avenue between St. James and Fremont Streets. Three others are not available to commuters. There is a newsstand, restroom and staffed (weekday mornings) ticket agent inside the station building.

Arlington Heights School District 25 (AHSD25) is a school district that serves and is based in Arlington Heights, Illinois, a suburb of Chicago. The school district serves over 5,550 students in nine schools.

The Arlington Heights Park District is one of the oldest and (financially) largest park districts in the Chicago metropolitan area. With two golf clubs and five outdoor pools, plus one indoor, it can be considered one of the most elaborate park districts northwest of Chicago. The district collects property taxes through the village of Arlington Heights. The annual budget for 2010/2011 was a near $25,000,000. The Board of Commissioners are selected by the community, each of whom selected will serve a four-year term.

Arlington Heights is a municipality in Cook County with a small portion in Lake County in the U.S. state of Illinois. A suburb of Chicago, it lies about 25 miles (40 km) northwest of the city's downtown. Per the 2020 Census, the population was 77,676. Per the 2010 Census, it is the most populous community in the United States that is incorporated as a "village", and is the 13th most populous municipality in Illinois, although it is not far ahead of its nearby Illinois neighboring villages of Schaumburg and adjacent Palatine. Arlington Heights is known for the former Arlington Park Race Track, home of the Arlington Million, a Breeders' Cup qualifying event; it also hosted the Breeders' Cup World Thoroughbred Championships in 2002. The village is also home to the Arlington Heights Memorial Library, which has one of the largest collections of books in the state.

The Wheeler-Magnus Round Barn is located on the grounds of a retirement community in the Cook County village of Arlington Heights in the U.S. state of Illinois. It is a 50 feet (15 m) diameter barn built in approximately 1910.It was listed on the National Register of Historic Places in 1992 when it joined the Round Barns in Illinois Multiple Property Submission (MPS). It is the only round barn in Cook County listed on the Register.

Saint Viator High School is a private Roman Catholic co-educational secondary school run by the Clerics of Saint Viator in Arlington Heights, Illinois. It was founded by Father Louis Querbes and opened in 1961 to serve as a college-preparatory school for students from the northwest suburbs of Chicago, which is part of the Archdiocese of Chicago.

Arlington Park is one of two commuter railroad stations along Metra's Union Pacific Northwest Line in the Village of Arlington Heights, Illinois. The station is located at 2121 West Northwest Highway (US 14) and Wilke Road, within Arlington Park Race Course, and lies 24.4 miles (39.3 km) from Ogilvie Transportation Center in Chicago. In Metra's zone-based fare system, Arlington Park is in zone E. As of 2018, Arlington Park is the 15th busiest of the 236 non-downtown stations in the Metra system, with an average of 1,738 weekday boardings.The Arlington Park station was designed originally to serve just the Arlington Park Race Track, but now serves postal employees at the Processing and Distribution Center in Palatine, Illinois as well as residents of southeast Palatine and west Arlington Heights, although a fence blocks most of the access to the station from the Palatine side. Despite its original purpose as a racetrack station, Arlington Park is located along the Union Pacific Northwest Line's main line, rather than a spur or a sidetrack. No bus connections are available. As of April 25, 2022, Arlington Park is served by 22 inbound and 24 outbound trains on weekdays, by 16 inbound trains and all 17 outbound trains on Saturdays, and by 9 inbound trains and all 11 outbound trains on Sundays. Parking is available within a section of the track complex's property dedicated for Metra commuter parking. As of June 2010, the price was $1.50 per day. The commuter parking lot is operated by Imperial Parking Corporation, operating as Impark. Impark has sometimes drawn criticism over business practices related to parking payment; at this lot in particular, commuters are required to pay a surcharge to use pay-by-phone when the lot's payment machines are out of order.

Arlington International Racecourse (formerly Arlington Park, the name was Arlington Park Jockey Club from as soon as 1948 up to 1955) was a horse race track in the Chicago suburb of Arlington Heights, Illinois. Horse racing in the Chicago region had been a popular sport since the early days of the city in the 1830s, and at one time Chicago had more horse racing tracks (six) than any other major metropolitan area. Arlington International was the site of the first thoroughbred race with a million-dollar purse in 1981. It was located near the Illinois Route 53 expressway. It was serviced by the Chicago and Northwestern Railroad. The premier event at Arlington Park was the International Festival of Racing, held in early August, which featured three Grade 1 races on turf: the Arlington Million Stakes, Beverly D. Stakes and Secretariat Stakes. Owner Churchill Downs Inc. announced plans in February 2021 to sell all 326 acres of Arlington Park property for redevelopment. On September 29, 2021 the Chicago Bears announced that they reached an agreement to purchase the property.

Northwest Community Hospital (NCH) is a 489-bed acute care hospital in Arlington Heights, Illinois, United States. Opened in 1959, the hospital serves 200,000 outpatients and 20,000 inpatients annually. The hospital operates a Level 2 Trauma Center, Level III NICU, a pediatric emergency department and a Primary Stroke Center. NCH has four Immediate Care locations in the northwest suburbs and operates a walk-in clinic in Palatine. NCH has a medical staff of more than 1,000 physicians, which includes the board-certified primary care doctors and specialists of the NCH Medical Group.