| Katie Brown | |
 | |
| Nickname | Posh Spice |
| Age | 10 |
| Occupation | Student |
| Band Job | Bass guitar |
| Portrayer | Rivkah Reyes |
Katie (portrayed by Rivkah Reyes) is one of the students at Horace Green Prep School which Dewey Finn temporary teaches at during the film. Katie becomes a member of the band during the film where she plays bass guitar. She was originally a cellist.
She is portrayed as a quiet, polite girl, but eagerly takes an interest in rock music.
Trivia[]
- In the commentary, it is revealed during the credits she was supposed to have a solo, but it was cut out. [1]
- Dewey's nickname for her is "Posh Spice"