Students and parents looking to pay a large college tuition bill with a credit card to earn rewards should expect to add a 2.62 percent convenience fee for the privilege of doing so, according to a survey.

That fee, which would add $262 to a $10,000 tuition payment, is big enough to make paying tuition by credit card unattractive to rewards cardholders, since the fee more than wipes out most rewards.

The survey looked at tuition payment options offered by 300 U.S. private, public and community schools -- the largest 100 of each class of school, based on attendance.  

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