Academy is an alternative placement high school located at 2201 Pinewood Avenue. The school enrolls students in grades 9 through 12 with special needs. Library The Enoch Pratt Free Library system operates the Hamilton Branch Library at 5910 Harford Road. The Hamilton area was previously served by the Old Hamilton Library, which opened at Hamilton and Richard Avenues in December 1920. After a housing boom following World War II, the larger Hamilton Branch building was constructed and opened in January 1959. In 2018, about 19.3% of HEPP residents had library cards, ranking 49th out of 55 neighborhood clusters in Baltimore. This was lower than the estimated average of 27.8% across Baltimore's neighborhoods for the same year. Postal service The United States Postal Service (USPS) uses three ZIP Codes in Hamilton Hills: 21214, 21234, and 21239. They operate three post offices that serve the neighborhood: The Hamilton Post Office is located at 4901 Harford Road. They deliver mail within the 21214 ZIP Code, which covers most of Hamilton Hills, and the 21239 ZIP Code, which covers the Barclay Square Apartments complex near Herring Run. The Northwood Post Office is located at 1800 E Northern Parkway in Loch Raven. They deliver mail within the 21214 and 21234 ZIP Codes, including blocks in the north and west sections of the neighborhood. The Parkville Post Office is located at 8201 Harford Road in Parkville. They deliver mail within the 21234 ZIP Code, including some blocks north of Northern Parkway and near Old Harford Road. Infrastructure Transportation Hamilton Business District Streetscape In 2019, the Baltimore City Department of Transportation installed separated bike lanes, floating bus stops, and more main street parking along Harford Road between White Avenue and Echodale Avenue. The changes were part of a $400,000 Hamilton Business District Streetscape project that reduced the number of traffic lanes for cars from four to three. They also represented Baltimore's testing of the Complete Streets urban design model, the placement of Harford Road on a "road diet", and an expansion of the city's cycling infrastructure. Bus and rail The Maryland Transit Authority's public bus service operates LocalLink Routes 30, 33, 36, and 54, and ExpressLink Route 154 through Hamilton Hills. These routes travel east and west along Northern Parkway and northeast to southwest along Harford Road. The agency also operates its MobilityLink service in the neighborhood, providing paratransit for riders who are unable to use Baltimore's