If so, then you must register with the Tax Department to continue receiving the exemption in 2014 and in future.
Submit Form RP-425 Application for School Tax Relief (STAR) Exemption to your assessor. Send it registered mail/return receipt requested. If you hand-deliver it, request a receipt. In either case, retain a copy of your application for your records.
In most communities, the due date is March 1, 2014.