American Bandstand viewer, 6 letters
Acne sufferer, most likely, 6 letters
Adolescent: informal, 6 letters
Backstreet Boys fan, maybe, 6 letters
High school student, 6 letters
High school student, informally, 6 letters
High schooler, usually, 6 letters
Junior high student, 6 letters
Many a Britney Spears fan, 6 letters
Many a Katy Perry fan, 6 letters
One twixt 12 and 20, 6 letters
Sixteen-year-old, e.g., 6 letters
High school students, 7 letters