Oregon Revised Statutes Education and Culture § 334.035

(1) In education service districts having a population of less than 550,000 according to the latest federal census, a candidate for the district board shall be nominated in accordance with ORS 255.235 except as provided in this section. When a candidate is nominated from a zone by a nominating petition, the nominating petition must be signed by electors registered in the zone in which the candidate is a resident and who are qualified to vote in their respective component school districts. When a candidate is nominated at large by a nominating petition, the nominating petition must be signed by electors of the district. A candidate for education service district board member must be qualified to vote in the election in which the individual is a candidate.

(2) In education service districts having a population of 550,000 or more according to the latest federal census, the name of any qualified person nominated as provided by ORS 255.235 shall be placed on the ballot as a candidate for the office of director of the education service district.