Most kids are around 13 to 14 in grade 8.
Well i am in grade 8 but i do grade 12 Canadian math. the way i do it is that i have a tutor who teaches me math for free. also i study at least 2 hours prior to a test and get my assignment...
8 1/2
2nd or 3rd grade usually.
you are 12 or 13
in the US you are usually in 1st grade when you turn seven