20. The Webb Schools – Claremont, California

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  • Average SAT score:2060  
  • Endowment:$32 million
  • Home to two schools that share a campus — Vivian Webb School for girls and Webb School of California for boys
  • Accepts 22% of applicants
  • Over 40% of the school’s classes are advanced
  • 46% of students in 10th grade or higher enrolled in AP classes last year.