It serves the communities of Brookfield, Effingham, Ossipee, New Durham, Tuftonboro, Middleton and Wolfeboro.

Also on the premises is the Lakes Region Technology Center, which serves several surrounding schools including Prospect Mountain.

The athletic teams are known as the Kingswood Knights and are rivals with Kennett High School in Conway.

Priced at over $60 million, the renovation included constructing over 300 geothermal wells to offset heating costs, a multipurpose auditorium and arts center (opened in December 2010) separate from the school buildings, expansions to all three existing buildings, refurnishing and refitting all classrooms, and a complete exterior refacing.

The start of the 2011–12 school year was delayed by three weeks due to asbestos found in the old auditorium upon tearing it down.