The teen daughter of a wealthy Massachusetts family believed to have been killed in amurder-suicidethis week was “brilliant” and “deeply spiritual,” according to one of her professors.

Arianna “Aria” Kamal, 18, was “a brilliant student and an amazing singer,” one of her teachers said in a statement after news emerged that Kamal and her parents had been found dead in their 27-room mansion in Dover, about 40 minutes outside Boston.