Rumsey Hall School Rumsey Hall School is an independent, coed junior boarding (5 - 9) and day (K - 9) school located in Washington, Connecticut. The school enrolled 337 students from 24 local communities, 15 states, 15 countries and two US territories during the 2016-17 School Year. There are 59 full and part time faculty members (28 men, 31 women).