Possible Clues:

• Fellow freshman, e.g.
• Little son came last unfortunately, one of the others being in form
• 'Are You Smarter Than a 5th Grader?' aide
• Lab partner, for example
• Peer of a sort
• She thought he was much too old to have been her ...
• Academic fellow
• Girl sitting on rug in church is someone you're at school with
• Final check on form for an acquaintance
• One in same form