How old are you in 4th grade?

School Age: How old are you in 4th grade?

The question we answer here is 'How old are you in 4th grade?' The answer applies to 4th grade students in the United States and assumes that the student was not held back a year, nor skipped a grade.

4th grade is the fifth year of elementary school if the student went to kindergarten in a K-12 system. Most students are 9 years old when they start 4th grade and turn 10 years old by the end of their 4th grade year or soon after.

Quick Summary Answer: 4th grade students age: 9 to 10 years old.

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