The Massachusetts Teachers’ Retirement System is a contributory retirement system governed by the Commonwealth’s retirement law, Chapter 32 of the Massachusetts General Laws. The MTRS, which is the largest of the Commonwealth’s 106 contributory retirement systems, provides retirement, disability and survivor benefits to Massachusetts teachers, administrators and their families.

The MTRS is a defined benefit retirement plan intended to provide a meaningful retirement benefit to the employee who has chosen a career in public service. It operates as a qualified plan under section 401(a) of the Internal Revenue Code.