Good Morning,
About thirty years ago, I became the yearbook advisor at my high school. I ended up taking home for printing any number of student-shot and, sometimes, student-processed negatives. I quickly realized that my fastidiousness in processing and handling processed film wasn't always characteristic of my students. I had negatives of extremely high or low contrast, negatives with fixer spots on them, negatives with sticky fingerprints on them, negatives which had been greatly under- or over-exposed, etc. In most cases, naturally, the subject matter was something which could not be re-shot. Fortunately, most yearbook photos end up as rather small-sized reproductions, so some flaws were not particularly obvious. In later years, I did manage to find some student photographers who were a bit more careful.
Konical