The Martha's Vineyard Public Charter School class of 2016 ended their high school careers Sunday under a tent on the school grounds. Class speakers thanked friends, family and the Vineyard community for their support. Astrid Tilton, Cassius Paquet-Huff, Christopher Cartier, Cyrus Kennedy, Gabrial Canham, Hannah Gonsalves and Zale Narkiewicz were the seven graduates and the 16th class to graduate from the Charter School.