Marooned with school

Becca is a usual well behaved 16 year old who isn't the most popular person in her class. But on there way to America year 11, class B are in a plane crash, and end up alone on a small island in the middle of the pacific ocean. Class relationships, hierarchy and friendship are tested as Becca and her class fight for survival. Will they ever get off the island and more importantly, will she be the same again?