Gossip Girl Cast Yearbook Photos! What Did Blake Lively and Her Co-Stars Look Like in High School? 2 of 8 Prev Autoplay Next Tweet April 28, 2012 by Wetpaint Entertainment Staff Related: Gossip Girl, Gossip full size Credit: Andrew Eccles/The CW © 2007 The CW Network; Seth Poppel/Yearbook Library Leighton Meester 11th Grade Yearbook Photo (2003) Leighton attended Beverly Hills High School where her fave subject was creative writing. On her school experience, Leighton has said, "I wasn't popular. I'm a late bloomer."