Class rep: ところで 柳子さんの姿が見えないが だれか知らないか？
Background character with a cheeky attitude: フケてます
I have absolutely no idea what フケてます is referring to. Class rep asks where 柳子さん is, and this known-to-be-playful side character puts her hand up: はいっ フケてます, while the surrounding mob characters give her the look, can I assume フケてます means something else other than getting old? Is it a reference of some kind? Btw 柳子さん is somewhat a DQN-type character, and quite a people's person, if this would help.
Probably means "cutting class" here. http://zokugo-dict.com/28hu/hukeru.htm