Mildred’s snobbish, highly skilled, and vindictive rival.
The story begins when Mildred Hubble literally crashes into the life of Maud Spellbody, a young witch flying to her first day at Cackle’s Academy. Mildred, a "non-magical" girl from a normal background, decides to take the entrance exam on a whim. The Worst Witch - Season 1
Mildred struggles to prove she belongs at Cackle's. She accidentally turns her rival, Ethel, into a pig, setting off a season-long feud. The Grand Wizard's Visit Mildred’s snobbish, highly skilled, and vindictive rival
If you want to continue exploring the world of Cackle's Academy, tell me: into a pig