Groton School is a preparatory boarding school in Massachusetts. It was started in 1884 by the Rev. Endicott Peabody. It gives free education to students with household incomes below $75,000 a year. It has a chapel, St. John's Chapel. It has 270 students. Boarders pay $53,870 a year.
- "Private-school education -- at no cost? It's possible". www.lowellsun.com. Archived from the original on 2014-03-01. Retrieved 2013-11-04.
- "Facts about Groton School - A New England Boarding School in MA". www.groton.org.