Stephanie is the leader of the Rhythm City High School Library Pep Squad, and, as Kev would put it, "the most sane of them all". For being a leader of the most prodigious cheer-reading group there is, she's actually not really that into books, saying "I guess my leadership skills and knowledge led me into this role, I suppose." 

For her voice, Stephanie would sound like the regular cheer readers, but more soft spoken