How old are you in 10th grade?

School Age: How old are you in 10th grade?

The question we answer here is 'How old are you in 10th grade?' The answer applies to 10th grade students in the United States and assumes that the student was not held back a year, nor skipped a grade.

10th grade is the second year of high school in a K-12 system. 10th grade is the sophomore year of high school. Most students are 15 years old when they start 10th grade and turn 16 years old by the end of their 10th grade year or soon after.

Quick Summary Answer: 10th grade students age: 15 to 16 years old.

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