Cushing Academy is a coeducational college preparatory boarding school for grades 9 through 12 plus an optional postgraduate year located in Ashburnham, Massachusetts. Cushing Academy, in Ashburnham, Massachusetts, United States, is a private, coeducational college-preparatory school for boarding and day students. It was founded in 1865 by Thomas Parkman Cushing, who was a successful Boston merchant.