I'm old (50), and did, during my sophomore (10th grade) year. That year (85-86) was the last year my high school used actual typewriters for the class; the room had 35 IBM Selectrics, and the din of the motors was INSANE. When the teacher wanted to talk, she would literally wave a flag, and we'd turn them all off so we could hear her.
The next year, they switched to computers -- but, it being Mississippi, they were IBM PC jrs, primarily of note now for having a wireless keyboard. Unlike bluetooth keyboards of today (including the one I'm typing on), these did not work so well. But the room was quieter.
Anyway, we had no paper or covers or blank keycaps. I guess some folks could've been "cheating" or something, but in that class there was a real sense that doing so would be dumb. Unlike in, say, an required academic class, there was no undercurrent of "I don't really need to know this" -- pretty much everyone, from honor roll kids to C- students, was in there to learn to type. By then, it was already SUPER clear how important this would be for any white-collar job, and so...