PERS Education Table of Service Credit Rules – Active Members

Washington State Department of Retirement Systems

This chart explains how service credit is earned in an eligible position. For additional information, refer to Chapter 3 of the DRS Employer Handbook. This chart does not apply to Elected Officials or Substitutes.

A member cannot earn service credit for months before employment in an eligible position. For example, a member who meets the criteria for a full year of service credit but is not employed in an eligible position until October can receive only eleven months of service credit that year.

These are the notes for the following table.

* A PERS Plan 2 or Plan 3 member working in a classified eligible position must be reported in SERS.

Contact Employer Support Services for additional information.


PERS Plan 1 PERS Plan 2 and Plan 3*
On or after September 1, 1991

A member employed in an eligible position earns service credit as follows:

If compensated in nine months of the school year and for 630 hours or more = 12 months of service credit*

A member employed in an eligible position who does not qualify for a full year of service credit earns service credit as follows:

70 hours or more of compensation in a month = one month of service credit

Some compensation but less than 70 hours in a month = 1/4 month of service credit
On or after September 1, 1991

A member employed in an eligible position earns service credit as follows:

If compensated in nine months of the school year and for 810 hours or more = 12 months of service credit*

If compensated in nine months of the school year and for at least 630 hours but less than 810 hours = 6 months of service credit

A member employed in an eligible position who does not qualify for a full or half year of service credit earns service credit as follows:

90 hours or more of compensation in a month = one month of service credit

70 hours but less than 90 hours of compensation in a month = 1/2 month of service credit

Some compensation, but less than 70 hours in a month = 1/4 month of service credit
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* A PERS Plan 2 or Plan 3 member working in a classified eligible position must be reported in SERS.

Contact Employer Support Services for additional information.