Bethlehem Catholic High School Secondary School; Grades 9-12 2133 Madison Ave. Bethlehem, PA 18017 President: Reverend Robert T. Finlan Principal: Enrollment: 757 Telephone: 610-866-0791 Fax: 610-866-9892 Email us at: altnbchs@ptd.net or visit us on the Web at: bethlehemcatholichs.org Post Office Box F  •  Allentown, PA  •  18105-1538 Copyright 2003 The Catholic Diocese of Allentown Disclaimer and Terms of Use