High Quality Content by WIKIPEDIA articles! Shikellamy High School is a public high school located in Sunbury, Pennsylvania, USA. it is part of the Shikellamy School District. It is the senior high school for the communities of Northumberland, Point Township, Rockefeller Township, Snydertown Borough, the City of Sunbury, and Upper Augusta Township. The school serves about 1,100 students in grades 9-12. The new High School principal is Michael Hubicki. The assistant principal is Mary Murphy-Kahn. In 2011, the school board realigned the school to include grades 7 and 8.