Meagan Ridley (formerly Riley) is a student at South Park Elementary.
Her second speaking role was in "Ass Burgers", she was surprised with how good Cartman's hamburgers were in the school hallway.
She has wavy, gray hair. She wears a teal shirt, dark blue pants, two light pink bows in her hair, and black shoes.
- "Super Fun Time" - Seen holding hands with Jenny Simon; she was also one of the hostages.
- "Elementary School Musical" - She is seen watching boys singing at the end.
- "The Ring" - She is seen in the hallway as well as the Jonas Brothers' concert.
- "Fishsticks - Seen in in the school's hallways with Boy with Blond Hair.
- "HUMANCENTiPAD" - She was one of the kids Cartman mocks for not having an iPad.
- "T.M.I." - appears in the 4th grade classroom when Randy Marsh taught teaching the class the "adjusted penis size" formula.
- "Ass Burgers" - Kyle offers her a hamburger; her name is revealed.
- "Jewpacabra" - Seen at the Easter egg hunt.
- "Butterballs" - Seen in the background at the school assembly.
- "Cartman Finds Love" - Seen in the background in the school cafeteria.
- "Let Go, Let Gov" - Seen in the playground.
- "Go Fund Yourself" - Seen in the background on the school bus.
- "Gluten Free Ebola" - Seen in the background shunning the boys.
- "Cock Magic" - Seen in the background of Mr. Garrison's class.
- "Member Berries"
- "Skank Hunt" - Seen in the school's library. Seen taking a breakup letter to her boyfriend.
- "Wieners Out" - Seen at the volleyball game when the boys begin their Wieners Out movement during the national anthem.
- "Douche and a Danish" - Seen in the battle between the girls and the boys.