IHSAA rule 8-11 governs "Outside Competition," but has an exception for training in an Olympic Development Program. IHSAA Assistant Director Julie Hammons said "Players would be allowed to tryout for or practice with an ODP team during the high school season without jeopardizing their high school eligibility. Games and/or scrimmages with an outside team would be a violation of Rule 8-11."
Updated over a week ago