With the new school year starting next week, parents’ WhatsApp groups are pinging back into action. Here are the rules you must follow to avoid disasterBecoming a parent can be one of the richest, most rewarding things you can ever experience. That said, it’s a qualified reward, because to be a parent is often to be forced into joining the school WhatsApp group. In theory, it’s a community of like-minded peers who understand that it takes a village to raise a child. In reality, the school WhatsApp group is a vortex of petty drama, pointless competition and outright hostility.Navigating a mess like this can often leave a parent feeling bruised and overwhelmed. It is a task that requires diplomacy, patience and – sometimes, because everyone’s human – locking your phone away in a drawer until your blood pressure recovers. With that in mind, using real-life stories collected from friends and acquaintances, here are the top 10 rules of school WhatsApp group ...