The Hill School in Pottstown is a co-ed prep school for grades 9-12.
The most expensive high schools in the U.S. can be pricier than some universities. That’s no exception for an independent Pottstown boarding school on 860 Beach Street.
The Hill School’s annual tuition currently runs at a whopping $61,410 writes Jami Farkas for GoBankingRates.com…