 days in a calendar year. Lorenz notes the new law does not distinguish between excused and unexcused absences. And while it might look different, Lorenz adds the requirement would also apply to their online courses. If the percentage of days missed increases to 15%, Lorenz says a meeting is scheduled to develop an attendance plan. When the student is absent for 15% of school days, the school has to schedule a meeting between the student, the guardian, representative from the district, and a representative from the county attorney.