Administration Justin Armbruster Principal Senior High School Work Phone: 570.398.7170 x10004work Work Email: jarmbruster@jsasd.orgINTERNET Categories: Senior High School Updated 6 months ago. Dr. Elizabeth Segraves Assistant Principal Senior High School Work Phone: 570.398.7170 x10005work Work Email: esegraves@jsasd.orgINTERNET Categories: Senior High School Updated 6 months ago. David Bittner Director of Career & Technical Education Senior High School Work Phone: 570.398.7170 x10018work Work Email: dbittner@jsasd.orgINTERNET Categories: Senior High School Updated 6 months ago.