TRS Tier 1 Home Page – Tier 1 members in Teachers’ Retirement System of the State of Illinois first contributed to TRS before Jan. 1, 2011 or have pre-existing creditable service with a reciprocal pension system prior to Jan. 1, 2011.
TRS Tier 2 Home Page – Tier 2 members in Teachers’ Retirement System of the State of Illinois first contributed to TRS on or after Jan. 1, 2011 and have no pre-existing creditable service with a reciprocal pension system prior to Jan. 1, 2011.