No: HPFGUIDX 1502 Cassandra asked: <Where in the books does it say that Lily was Head Girl? In Book 1, Hagrid tells Harry they were (paraphrasing) 'head boy an' girl at Hogwarts in their time...' Of course, nobody's ever said they were the same age - for all we know, Lily was 1 or 2 years older than James...