What grade would you be in if you are 12 years old?

Question

my daughter is obsessed with grades her birthday is the 5th august and she is 12 what grade would she be in

Answer 1

when i was 12 i was in 7th grade.  

Answer 2

eighth or seventh grade (depending on how your school allows enrollment with birthdays)  

Answer 3

Either 6th or 7th grade. I'm pretty sure she's supposed to be in 7th grade. That's how old my friends and I were.