Not just American, nightmares about school are very common among adults from all places: https://www.psychologytoday.com/us/blog/freedom-learn/201606/they-dream

Not just American, nightmares about school are very common among adults from all places: https://www.psychologytoday.com/us/blog/freedom-learn/201606/they-dream-school-and-none-the-dreams-are-good https://www.psychologytoday.com/us/blog/freedom-learn/201606... Anecdotically, I have this kind of nightmare at least once a year and I'm from Chile.