Byram Hills High School (BHHS) is a four-year co-educational public secondary school located in Armonk, New York, United States.

It is the only secondary school in the Byram Hills Central School District, and serves students from the towns of North Castle, Bedford, Mount Pleasant, and New Castle.

The school has over 700 students in grades 9–12.

The mascot of Byram Hills is the Bobcat and its colors are navy and red.

[3][better source needed] In the 2022 "Best High Schools" edition by U.S. News & World Report, Byram Hills was ranked number 20 in the state and 186 nationally.