40 ILCS 5/17-122
Upon the death of a teacher who has completed at least 1 1/2 years of contributing service with either this Fund or the State Universities Retirement System or the Teachers' Retirement System of the State of Illinois, provided his death occurred while (a) in active service covered by the Fund or during his first 18 months of continuous employment without a break in service under any other participating system as defined in the Illinois Retirement Systems Reciprocal Act except the State Universities Retirement System and the Teachers' Retirement System of the State of Illinois, (b) on a creditable leave of absence, (c) on a noncreditable leave of absence of no more than one year, or (d) a pension was deferred or pending provided the teacher had at least 10 years of validated service credit, or upon the death of a pensioner otherwise qualified for such benefit, the surviving spouse and unmarried minor children of the deceased teacher under age 18 shall be entitled to pensions, under the conditions stated hereinafter. Such survivor's and children's pensions shall be based on the average of the 4 highest consecutive years of salary in the last 10 years of service or on the average salary for total service, if total service has been less than 4 years, according to the following percentages:
30% of average salary or 50% of the retirement pension earned by the teacher, whichever is larger, subject to the prescribed maximum monthly payment, for a surviving spouse alone on attainment of age 50;
60% of average salary for a surviving spouse and eligible minor children of the deceased teacher.
If no eligible spouse survives, or the surviving spouse remarries, or the parent of the children of the deceased member is otherwise ineligible for a survivor's pension, a children's pension for eligible minor children under age 18 shall be paid to their parent or legal guardian for their benefit according to the following percentages:
30% of average salary for one child;
60% of average salary for 2 or more children.
On January 1, 1981, any survivor or child who was receiving a survivor's or children's pension on or before January 1, 1971, shall have his survivor's or children's pension then being paid increased by 1% for each full year which has elapsed from the date the pension began. On January 1, 1982, any survivor or child whose pension began after January 1, 1971, but before January 1, 1981, shall have his survivor's or children's pension then being paid increased 1% for each full year which has elapsed from the date the pension began. On January 1, 1987, any survivor or child whose pension began on or before January 1, 1977, shall have the monthly survivor's or children's pension increased by $1 for each full year which has elapsed since the pension began.
Beginning January 1, 1990, every survivor's and children's pension shall be increased (1) on each January 1 occurring on or after the commencement of the pension if the deceased teacher died while receiving a retirement pension, or (2) in other cases, on each January 1 occurring on or after the first anniversary of the commencement of the pension, by an amount equal to 3% of the current amount of the pension, including all increases previously granted under this Article, notwithstanding Section 17-157. Such increases shall apply without regard to whether the deceased teacher was in service on or after the effective date of this amendatory Act of 1991, but shall not accrue for any period prior to January 1, 1990.
Subject to the minimum established below, the maximum amount of pension for a surviving spouse alone or one minor child shall be $400 per month, and the maximum combined pensions for a surviving spouse and children of the deceased teacher shall be $600 per month, with individual pensions adjusted for all beneficiaries pro rata to conform with this limitation. If proration is unnecessary the minimum survivor's and children's pensions shall be $40 per month. The minimum total survivor's and children's pension payable upon the death of a contributor or annuitant which occurs after December 31, 1986, shall be 50% of the earned retirement pension of such contributor or annuitant, calculated without early retirement discount in the case of death in service.
On death after retirement, the total survivor's and children's pensions shall not exceed the monthly retirement or disability pension paid to the deceased retirant. Survivor's and children's benefits described in this Section shall apply to all service and disability pensioners eligible for a pension as of July 1, 1981.
40 ILCS 5/17-122