There really isn’t a clique. There really isn’t a gang.
It’s mostly just people talking to each other. When they do that they stand in groups. They select someone to speak with based on many factors, children that are playing together, perceptions of similarities, proximity, anything that can be a conversation starter. When they feel lost or unsure they speak to the people that they have previously spoken to because they are a port in a storm and they have a point of reference.
If people don’t perceive similarities instantly they often struggle for a conversation opener. Most people will find common ground if they can get pas this bit, but many don’t for several reasons.
So you have the people who managed a few sentences once clubbing together in a social storm, you have the people who didn’t struggling for a conversational gambit that sounds vaguely normal - you must see that everyone, everyone is feeling the same way and doing the same thing. They are not forming cliques and looking down on everyone else. They are just getting by. They are just making conversation. They are just displaying very valid and normal human behaviour.
The longer it goes on, the stronger the relationships become, for the people who are not in the conversations the perceived slights or stress that they are being ‘ignored’ increases and the silent unexpressed animosity begins. From absolutely nothing.
Everyone is in the same boat. Everyone. Talk to as many people as you feel able to as often as you feel able. Smiles and pleasantries and a set of conversation openers that require no recognition or similarity.
Eg I’m (name) and that’s my child there (name) which one is yours?
People are not walking into social situations thinking I’m going to look down on half the people there and make a group that will make them feel bad and be the queen of it and we will be the clique to end all cliques.
They are just talking.