The headteacher of Epsom College celebrated winning an award in one of her last posts on social media before she was discovered dead on school grounds along with her family.
Headmistress Emma Pattison, 45, was found with her daughter Lettie, seven, and her husband George, 39, when officers were called to the private school by the South East Coast Ambulance Service at about 1.10am on Sunday morning.
Epsom College described her in a message of condolence as "a wonderful teacher" and a "delightful person".
