Suspension or expulsion: The athlete may be suspended or expelled from the team or even from the school depending on the severity of the offense and the school's policies.
Loss of eligibility: The athlete may be declared ineligible to participate in any further competitions or athletic events for a certain period of time.
Internal discipline: The school or athletic conference may impose its own internal disciplinary measures, such as counseling, community service, or other educational programs.
Criminal charges: In some cases, the athlete may also face criminal charges, depending on the state and local laws regarding marijuana possession and use.
For detailed and accurate information, it's best to consult the specific policies and regulations of the relevant school or athletic conference.