Answer: pastperformance

AnswerCrossword Clue
PASTPERFORMANCEHistory class: F -- "The professor ignored my attendance record and class participation, judging me entirely on ..."
PASTPERFORMANCEIt's no guarantee of future results
PASTPERFORMANCEFactor a handicapper weighs.
PASTPERFORMANCERecord, as of a race horse.
PASTPERFORMANCEStock-price factor
PASTPERFORMANCEUnderdog's motivation (Part 1)
PASTPERFORMANCEStart of a historic quip
PASTPERFORMANCEIt's not proof of future success
PASTPERFORMANCEFactor a bettor weighs (Part 1)