St Trinian's 2: The Legend of Fritton's Gold

St Trinian's 2: The Legend of Fritton's Gold (2009) is a comedy, adventure, family directed by Barnaby Thompson rated 5.6/10.

After a wealthy philanthropist expresses an unusual interest in a ring found by her niece Annabelle, Miss Fritton explains that she's descended from a pirate who, in 1598, stole treasure from another: the philanthropist's ancestor. This discovery sends the racuous girls of St. Trinians on the hunt for buried treasure.