For members of the Michigan Public School Employees Retirement System

Your Service

As a member of the Michigan Public School Employees' Retirement System, you accumulate service when you work for a participating public school. Your years of service count toward eligibility for your retirement benefits, including your pension, and your employer’s contributions to the Savings Component of your plan. Your years of service are also used in the calculation of your pension.

Earning Service

Your service reflects the number of hours you have worked for a Michigan school that participates in the Michigan Public School Employees' Retirement System. Participating schools report your hours, wages, and contributions to the Office of Retirement Services (ORS).

You receive service for teaching or nonteaching, full-time or part-time work, and for permanent, temporary, or intermittent employment. You also receive service for used vacation and sick leave, short-term disability payments which flow through your school's payroll system and weekly workers’ compensation payments. You do not earn service while receiving long-term disability payments.

Per pay period caps apply

In general, you earn one year of service when you work 1,020 hours within the July 1 through June 30 school fiscal year. You can earn no more than one year of service in any given school fiscal year. For instance, administrative staff may work 2,080 hours a year, but will be limited to one year of service because the annual cap is 1,020 hours. 

As the chart below illustrates, if you are paid every week you cannot be credited with more than 30 hours, worth 0.0294 years of service. The cap is 60 hours or 0.0588 if you are on a biweekly pay cycle. 

Period Hours Years of Service
Weekly 30 0.0294
Biweekly 60 0.0588
Semimonthly 72 0.0706
Monthly 138 0.1353
Quarterly 396 0.3882
Annually 1,020 1.000

If you work less than full-time

If you don't work a full school year or if you're considered part-time because you don't work a typical school day, you will earn proportional service. See the chart below to see how service is earned for a variety of school work schedules, after considering the caps.

Days Worked Hours Per Day Hours Creditable Service Earned
17 6 102 0.1
34 6 204 0.2
68 6 408 0.4
85 6 510 0.5
119 6 714 0.7
51 4 204 0.2
102 4 408 0.4
153 4 612 0.6
260 4 1,020 1.0




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