Alayna Bolton is the 14 year sister of Troy Bolton. Since she started high school, she's always seen as Troy's little sister or the Coach's daughter and not as herself. A lot of the time people will be friends with her just because her brother is the basketball star. She has a best friend named Ashley that's she's known since Kindergarten. Alayna is athletic, like her brother. She's on the volleyball team. After everyone returns to school following winter break, Alayna takes an interest in the school musical and starts spending time with Ryan Evans.