Mediation is a voluntary settlement process in which an impartial person who is trained in dispute resolution meets with the parties to discuss the issues they wish to resolve. (divorcesource.com)
Let his comments guide your response; that response which be a simple appeal for cooperation or a conflict - resolution meeting with you and the two students. (educationworld.com)
If they can not agree, then they may seek more formal dispute resolution meetings or arbitration. (fararlawgroup.com)