The characters are that vague TV high school age, but they'll be in high school as long as we need them to be.

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In his sophomore year he wrote an autobiographical screenplay about his senior year in high school called Providence as a homework assignment for school. In September 2011 it was announced by The CW that Schwartz and Stephanie Savage had been selected to develop the television adaption of Candace Bushnell's The Carrie Diaries a prequel to the original Sex and the City television series. In May 2008 Schwartz joined Zak Penn's X-Men: First Class project.

C. Schwartz recently developed The CW's teen drama series Gossip Girl from the Gossip Girl book series and co-created NBC's action-comedy-spy series Chuck.