Possible Clues:

• Fourth-year students (Abbr.)
• Next yr.'s alums
• Yearbook div.
• Twelfth graders (Abbr.)
• Jrs. no more
• Jrs.' elders
• Promgoers: Abbr.
• Many Soc. Sec. recipients
• This year's grads
• Sophs, two years later