Oregon Revised Statutes Education and Culture § 332.507

(1) As used in this section:

(2) Each district shall allow each school employee at least 10 days' sick leave at full pay for each school year or one day per month employed, whichever is greater.

(3) At the option of the local governing board, sick leave in excess of five consecutive work days shall be allowed only upon certificate of the school employee's attending physician or practitioner that the illness or injury prevents the school employee from working.

(4) Sick leave not taken shall accumulate for an unlimited number of days. A local governing board is required to permit a school employee to take up to 75 days sick leave accumulated in other Oregon districts. The accumulation shall not exceed that carried by the most recent employing district. However, the transfer of sick leave from another Oregon district shall not be effective until the school employee has completed 30 working days in the new district.

(5) For purposes of determining retirement benefits, a local governing board is required to permit a school employee to transfer an unlimited number of days of unused accumulated sick leave from another Oregon district employer.