It's impossible to definitively rank them 1-10 because different ranking systems use different metrics, and the relative importance of those metrics varies. However, these ten consistently appear near the top of any reputable ranking:
1. Phillips Academy (Andover): Widely considered one of the best in the country, known for its rigorous academics and extensive resources.
2. Phillips Exeter Academy: A sister school to Andover, with a similar reputation for excellence and a highly competitive admissions process.
3. Groton School: Known for its strong emphasis on character development and leadership training.
4. St. Paul's School: A highly selective school with a strong history and a commitment to service.
5. Deerfield Academy: Renowned for its strong athletics program in addition to its academics.
6. Hotchkiss School: Another highly selective school with a strong reputation for academic excellence.
7. Choate Rosemary Hall: A large and prestigious school with a wide range of programs and activities.
8. Lawrence Academy: Known for its innovative approach to education and its strong focus on the arts.
9. Middlesex School: A highly selective school with a strong commitment to diversity and inclusion.
10. Thayer Academy: Often cited among the top schools in Massachusetts, combining strong academics with a focus on community engagement.
It's crucial to note that many other excellent New England prep schools could easily be included depending on the specific criteria used for "elite." This list represents a consensus view based on commonly used rankings and reputations.