Reading Senior High School, colloquially known as The Castle on The Hill, is a 9–12 public high school in Reading, Pennsylvania. It was established in 1927 and is part of the Reading School District. With an enrollment of 5,213 as of the 2022-23 school year, it is the largest traditional high school in Pennsylvania and one of the largest high schools in the nation.

Student life

The school supports a broad range of extracurricular activities. In the 2020-2021 school year, students could participate in Academic Challenge, Aevidium, Art Club, Baba Na Kaka International, Ecology, Knight Vision, Mock Trial, Peer Mentoring, Project Peace, E-Sports, National Honor Society, Sign Language Club, Strategic Gaming Club, Student Council, Tabletop Roleplay, World Language Club, and Yearbook.

Athletics

The school's mascot is the Red Knight. According to the PIAA directory, the District funds participation in the following sports:

Notable alumni