Neshaminy High School is a public high school in Middletown Township in Bucks County, Pennsylvania, United States. It is the only high school in the Neshaminy School District, serving students in Middletown Township, Lower Southampton Township, Hulmeville, Langhorne, Langhorne Manor, and Penndel. In 2022, the school enrolled 2,677 students in grades 9 through 12. "U.S. News & World Report" ranked the school 117 out of 718 Pennsylvania high schools in 2022.