Per the SJV Student Handbook which the student is required to sign along with a parent:
Parent/Guardian Conduct
Parents/Guardians in the local school community are expected to demonstrate respectful behavior at all times with faculty, administration, support staff, students, and volunteers whether on or off school grounds or at school-related events.
Behavior Outside Of School
The rules of behavior expected of the students of St. John Vianney School during the school time are expected of students any other time or place that they represent St. John Vianney. This is especially important at fundraisers and at athletic events on the school premises, outside of school time, or at sites away from school.
and
CONDUCT AT EXTRA-CURRICULAR OR ATHLETIC EVENTS
D. To practice self-control at all times and accept the decision of staff.
E. To be responsible for their behavior and not influenced by the crowds.