The Duquesne City School District is a public school where its High School was closed in 2009, and its middle school in 2012, the same year where the Newtown Public School shooting occurre
Public High School 2009, Middle School 2012 The Sandy Hook Elementary School shooting occurred on December 14, 2012, in Newtown, Connecticut, United States, when 20-year-old Adam Lanza shot and killed 26 people, including 20 children between six and seven years old, and six adult staff members. For the 2012 shooting, see Sandy Hook Elementary School shooting. 
