How old are you in 3rd grade?

School Age: How old are you in 3rd grade?

The question we answer here is 'How old are you in 3rd grade?' The answer applies to 3rd grade students in the United States and assumes that the student was not held back a year, nor skipped a grade.

3rd grade is the fourth year of elementary school if the student went to kindergarten in a K-12 system. Most students are 8 years old when they start 3rd grade and turn 9 years old by the end of their 3rd grade year or soon after.

Quick Summary Answer: 3rd grade students age: 8 to 9 years old.

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