How old are kids in the third grade?
The kids in 3rd grade range from 8 to 9 years of age
Usually they are 9 years old
8 Third grade (also called grade three, equivalent to Year 4 in the UK) is a year of primary education in many countries. It is the third school year of primary school. Students are usually 8–9 years old, depending on when their birthday occurs.
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