Agreed 100%. Additional factors on top of all those is some countries start year 1 at age five, and others at age 6, and of course there's a variety of actual ages within a grade as well.
"Wait Until 9th" would have definitely helped a lot. "Wait until 14" might be even clearer. Or even "wait until high school".
I mean as a non American, I think this is one of the most American sites I've seen all week, and do not get the impression that they will particularly mind if it's ambiguous for other people in other countries
"Wait Until 9th" would have definitely helped a lot. "Wait until 14" might be even clearer. Or even "wait until high school".