Over 30 years of retirement, Mattson would collect as much as $506,758, according to a projection by Local Government Information Services (LGIS), which publishes McHenry Times.
The projection assumes Mattson received $10,651 in the first year of retirement, then 3 percent annual increases thereafter, compounded.
After 4 years of retirement, Mattson will have already received $44,561 in retirement benefits, or more than the sum total of the retiree's contributions to the teachers' pension fund.