Crosby Hodgman succeeded Smith as headmaster in 1943 and led the school until 1967 when Donald Nickerson became head.

Painter Beatrice Van Ness founded the art department at the school in 1921 and remained on the faculty until 1949.

Classes average about 15 students; one hundred percent of Beaver graduates go on to four-year colleges and universities.

The school community is diverse, with students coming from over 60 towns in the metropolitan Boston area and speaking 20 languages besides English at home.

[2] Beaver is a part of the Eastern Independent League and fields interscholastic teams in sailing, soccer, field hockey, golf, cross country, basketball, fencing, volleyball, wrestling, squash, baseball, softball, tennis, ultimate, and lacrosse.