People outcast others for many reasons. A lot of those reasons are incredibly shallow. Some reasons are okay, but that's not likely in high school. In order to best answer your question, you'd have to explain your character, your appearance, your possible mental ailments, any decisions you've made in the past that weren't approved of, etc. There are plenty of stupid reasons for a group to shun individuals. Few, if any, are good
Either case, you shouldn't bother with them. If they're rejecting you, they aren't a friend you'd want to keep. Be grateful in that sense. Of course, I could see why it would still upset you.
Either case, you shouldn't bother with them. If they're rejecting you, they aren't a friend you'd want to keep. Be grateful in that sense. Of course, I could see why it would still upset you.