Conflicts escalate when partners try to talk more than listen and then only listen as a time-out for verbal rearming. Listening well is an act of caring. If you are a good listener, you have many friends. If you are a poor listener, you have many acquaintances. Choose a place to resolve the conflict, not the battleground itself.
Armies tend to sign peace treaties far from war zones.
Too many emotions are there. In some schools around the country, peace rooms are in place. Principals and psychologists in schools that have peace rooms see the results in lower rates of violence. Start with what's doable. Restoration of peace cannot be done quickly.