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.
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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, STEM Robotics, and Yearbook.
Athletics
The school's mascot is the Red Knight. According to the PIAA directory, the District funds participation in the following sports:
Girls
Boys
Notable alumni
Sian Barbara Allen, actress
Joseph A. Baer, United States Army Brigadier general during World War II
Albert Boscov, businessman, philanthropist, and former chairman of Boscov's
James Bryant, former professional football player, Detroit Lions
Thomas Caltagirone, former Pennsylvania State Representative
Henry Dickinson Green, former U.S. Congressman
Manny Guzman Jr., politician
Stu Jackson, former head coach, New York Knicks
Donyell Marshall, former professional basketball player, Chicago Bulls, Cleveland Cavaliers, Golden State Warriors, Minnesota Timberwolves, Philadelphia 76ers, Utah Jazz, and Seattle SuperSonics
Maurio McCoy, professional skateboarder
Lenny Moore, former professional football player, Baltimore Colts, and Pro Football Hall of Fame inductee
Stephen Mull, former U.S. ambassador to Lithuania
Curtis R. Reitz, law professor, University of Pennsylvania Law School
Lonnie Walker IV, professional basketball player, Maccabi Tel Aviv, formerly Brooklyn Nets
William Wiswesser, chemist and pioneer in chemical informatics
Gus Yatron, former U.S. Congressman




