Middletown High School is a public high school located in Middletown, Delaware, United States.

[2] It is one of three high schools in the Appoquinimink School District and serves students grades 9–12.

[1] It was previously located in what is now the Everett Meredith Middle School building.

[3] Originally opened in 1997, the current facility added a two-story wing in the summer of 2002, and an expansion of its cafeteria/lobby to create extra capacity.

This Delaware school-related article is a stub.