The New York State Teachers' Retirement System (NYSTRS) provides retirement, disability and death benefits to eligible New York State public school teachers and administrators. NYSTRS is the second-largest public retirement system in the state and one of the 10-largest systems in the nation. We serve over 264,000 active members and nearly 130,000 retirees and beneficiaries. To learn more about NYSTRS, please review the publication Learning About NYSTRS or click on a topic below.