Springfield Preparatory School is a private school in Springfield. They held an Annual Fair that the Simpsons attended one year. Greta Wolfcastle is a student there. Their headmaster is Sinjin Van Hookstrap.
- Greta Wolfcastle
- Jackington's two unnamed accomplices
- Britney Brockman
- Britney Brockman's unnamed brother
- Dr. Hibbert's Daughter
- Dr. Hibbert's Second Son