Newark High School is a public high school in Newark, Delaware, and is one of three high schools within the Christina School District. It is one of the oldest educational institutions in the state, graduating its first class of students in 1893. In 2009, it saw its 20,000th student graduate.

Newark is a small city in New Castle County, Delaware, United States. It is located 12 miles (19 km) west-southwest of Wilmington. According to the 2010 Census, the population of the city is 31,454. Newark is home to the University of Delaware. The city constitutes part of the Delaware Valley.