Possible Clues:

• Many a middle schooler
• Fifth- or sixth-grader, usually
• Many a Little Leaguer
• 11- or 12-year-old
• Middle schooler, probably
• 12-year-old, e.g.
• Little Leaguer, typically
• Many a junior high student
• Sixth-grader, usually
• Twelve-year-old, e.g.