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Sister Thomasina

Wikisimpsons - The Simpsons Wiki
Sister Thomasina
Sister Thomasina.png
Character Information
Female ♀
Occupation: Teacher
First Appearance: "The Father, the Son and the Holy Guest Star"
Voiced by: Tress MacNeille

Sister Thomasina is the teacher at St. Jerome's Catholic School.


She was Bart's teacher when he was a student at St. Jerome's Catholic School. She used the yardstick on naughty kids or making them holding in dictionaries like Jesus when he was on the cross.