School/Appearances

Season 2

 * The Backup Genius (debut): Ben visited the school to look for potential proteges for his scientific studies. He finds Darren.
 * Back to School: Tom and his friends visit the school disguised as Ginger's parents to pick up a confiscated invention from Ms. Vanthrax. When Vanthrax sees through their disguise, she presses a button that traps her in.
 * Landlord In Love (flashback)

Season 3

 * The Substitute Teacher: Ben becomes a substitute teacher. He tries to be a cool teacher and play video games with them, but they had to come up with a science fair project. They settled on working on paper airplanes as their project.
 * The Dance Contest (mentioned)
 * The Sixth Friend: The MC was working in the school library, trying to turn away from his loud hyper self.

Season 4

 * The Secret Life of Ms. Vanthrax: Ginger jokingly tells the class about a monster, but Miss Vanthrax behaved strangely. So, Ginger watched her leave the classroom after school, only to sneak back in. She pressed a button that transformed the room into what appears to be a laboratory.
 * Basketball Hero: Hank attended third grade to play on Ginger's basketball team.
 * Escape: Impossible! (video)

Season 5

 * Ginger and the Girl
 * Dude Ranch Showdown (mentioned)
 * Genius Test