For in-person events, payments must be made either in advance by credit card (a 4% processing fee applies) or in cash on the day of the tournament. For online events, all payments must be made by credit card in advance of the event.

Event In-Person Online
International History Bowl * $130 $175
International History Bee $45 $50
International Geography Bee Qualifying Exam $15 $20
International Science Bee Qualifying Exam $15 $20

For teams participating in online History Bowl tournaments, the fee includes the cost of an IAC-provided moderator. For in-person History Bowl tournaments, teams are required to provide a reader for every two teams or fraction thereof.