Top 10 most Expensive Private High Schools in America: tuition fess will shock youBy DreBoam / July 2, 2018 2. The Lawrenceville School, Lawrenceville, NJ Day student tuition: $39,960 Boarding student tuition: $48,800 Enrollment: 810 Endowment: $200 million Perks: Athletic facilities include include an indoor ice hockey rink, an indoor competition pool, and nine-hole golf course. Pages: 1 2 3 4 5 6 7 8 9 10