Or. Rev. Stat. § 339.280
Each school district board may establish student grading policies that permit teachers to consider a student’s attendance in determining the student’s grade or deciding whether the student should be granted or denied credit. A student’s attendance shall not be the sole criterion for the reduction of a student’s grade. Such policies shall provide that prior to reduction of grade or denial of credit:
(3) The reasons for the nonattendance are considered and the grade is not reduced or credit is not denied based on absences due to:
[1995 c.656 §4; 2019 c.207 §2; 2019 c.393 §2]