I do not think there are any excused absences. When I taught (university level) I did not allow any. After two absences it affected your grade. If you are not there, you are missing the material covered. The students said the primary reason they go to school is to get a job. If you are absent from your job you miss pay, opportunity, lose a customer, in other words there are consequences, especially if you are an entrepreneur. You may decide those consequences are worth the absence, but that is up to you.
Recently there was a piece here about a student missing the majority of the school year because of illness. Sad, though it is, you cannot pass anyone who has not attended.
College is ONE thing....public indoctrination centers are another
I do not think there are any excused absences. When I taught (university level) I did not allow any. After two absences it affected your grade.
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So based on your grading, I would have probably flunked a history course in college where I missed two weeks of classes due to complications after appendicitis surgery.
But coming back to class I borrowed notes, made up one test, making an A on that one, and all subsequent ones, thus getting an A for the course. (I also keep A’s in all my other courses.)
Since apparently you would have lowered my grade, what would it been after 10 absences in your class?