The Worst Witch (2017)

When Miss Cackle refuses Mildred's request to make her mum Julie magical, angry Mildred enters the Great Wizard's broomstick-flying contest. She's determined to win a Wishing Star so she can give Julie magic herself. But Mildred is thwarted by bitter rival Ethel Hallow, and both girls are disqualified - only for Mildred to make a surprising discovery.