Judy is a student in Miss Grotke's class. She is also a background character on the playground.
She has brown hair, light brown skin and wears a sleeveless white collar shirt, a blue knee-length skirt and brown strip-on sandals.
- Her name wasn't revealed until in A Great State Fair when Miss Grotke took her permission slips.
- The only episodes where Judy had a speaking role were Jinxed, The Coolest Heat Wave Ever and My Funny Valentines.
- She is the only female fourth grader to be shown wearing sandals.
- In "Swing on Thru to the Other Side" and "Call Me Guy", Judy has pigtails.