PG year

Try this site for a list of PG options: http://www.boardingschoolreview.com/pg_boarding_schools.php

Individual schools mentioned by counselors as worth checking out:

Berkshire School (MA)

Cheshire Academy (CT) 

Cushing (MA)

Hargrove Military Academy (Chatham, VA)

Kent Hill (ME)

Kimball Union (NH)

Northfield Mt. Hermon (MA)

Phelps School in Malvern (PA)

Ridley (in Ontario, Canada)

Salisbury School (CT)

Scattergood Friends School (IA)

Trinity Pawling (NY)

Winchendon School (MA)