1 most elite boarding school for the second year in a row, it comes in at No. 8 on this list with a 19% acceptance rate, tied with Milton Academy. The Groton School, the No. 5 most elite boarding ...

The Nashua River marks the western border of the 480-acre campus of Groton School, established in 1884 on a site planned by Frederick Law Olmsted. Mount Watatic anchors the northwestern skyline. Mount ...