Upside down magic - Sarah Mlynowski

A hilarious and heartfelt new series about a group of magical misfits!
Nory Horace is nine years old. She's resourceful, she's brave, she
likes peanut butter cookies. Also, like most people in her magical
world, she's able to transform into many different animals.
Unfortunately, Nory's shape-shifting ability is a bit...wonky. And
when she flunks out of her father's own magic academy, Nory's forced
to enter the magic equivalent of the remedial classes.
But Nory and her new classmates are going to prove that upside-down
magic definitely beats right-side up!