Sacred Heart School, Allentown Elementary School; Grades K-8 325 N. 4th St. Allentown, PA 18102 Principal: Mr. James Krupka Enrollment: 206 Telephone: 610-437-3031 Fax: 610-437-2724 Email us at: altlsh@ptd.net   Post Office Box F  •  Allentown, PA  •  18105-1538 Copyright 2003 The Catholic Diocese of Allentown Disclaimer and Terms of Use