Schools in Duncannon, Pennsylvania, the US. Schools locations in Duncannon, Pennsylvania. Find the nearest schools locations, near you. All types of business services Accounting ATM Bank Finance Insurance Lawyer School All schools in Duncannon Roseglen Christian Nursery School +1 717-834-6411 722 New Bloomfield Road, Duncannon, Pennsylvania 17020 Write a review Phone Directions Susquenita Elementary School School +1 717-957-6000 101, Susquenita Drive, Duncannon, Pennsylvania 17020 Write a review Phone Website Directions Susquenita High School School +1 717-957-6000 309 Schoolhouse Road, Duncannon, Pennsylvania 17020 Write a review Phone Website Directions