[quote=xcalx1dw]
Oh I understand that, I just don't understand grades.....or what stage middle school is....
[/quote]

"Middle school" = 7-8th grade (or sometimes 6-8th grade, depending on where you live).

"High school" = 9-12th grade. 

I can also (sort of) explain Japanese school level divisions if anyone needs me to, since that tends to confuse a lot of anime-viewers and the like. Just, you know, while I'm here.