The State Teachers Retirement System of Ohio (STRS Ohio) is a public pension fund that provides retirement, disability, and survivor benefits to Ohio's public educators. Established in 1920, it manages a diverse investment portfolio to generate income and ensure financial stability for its members. STRS Ohio makes money through contributions from members and employers, as well as returns on investments in equities, fixed income, real estate, and alternative assets. Key historical milestones include the implementation of pension reform measures to ensure long-term sustainability and the introduction of health care benefits for retirees.