This is a calendar of New York City chess tournaments. I believe it is fairly complete based on what has been posted on various other sites. Feel free to send comments or changes to me.

Key Links:

PS116/Lower Lab -- Online Registration and Camps at NY Chess Kids Site
Hunter College Elementary -- Printable Form
PS183M -- ChessNYC Information
PS158M, Various Others -- TriState Chess
Various Locations -- Chess in the Schools
PS6M (and PS334 -- link to come) -- Online Form for Pre-Registration
The Right Move -- Online Form for Registration
Columbia Grammar Prep / Kids Chess
US Chess Federation for membership, National Tournaments, and ratings information
Marshall Chess Club also has various tournaments and events suitable for kids. Call first to confirm information on the calendar. These include U1600, U1500 and even some U1300 sections.