Talk:Game Over, Charles/@comment-25649818-20150818153814/@comment-5660329-20150818211545

^  https://us.beamly.com/tv-news/2015/05/29/timeline-everything-single-thing-happened-pretty-little-liars/

I believe it was also said in an episode that CeCe and Melissa graduated in 2005. Assuming they were 18, when most people graduate high school), or 19:  that would mean that CeCe was either born in 1986 or 1987.  It's 2012 now and the girls graduated high school so they're about 18.  2012-18 = 1994 or 1995, if Alison is 17.