The Tiara Club: Princess Amelia and the Silver Seal: Book 25 by Vivian French
Princess Amelia is so excited to be starting a new term at the Princess Academy with her best friends in Daffodil Room. And what a wonderful surprise - the Princess Academy at Emerald Castle is by the seaside!
Princess Amelia saves a baby seal caught up in some netting while the princesses are out swimming one day, but the nasty twins Diamonde and Gruella take all the credit! Will they be found out?