Sure, why not. School is like a boiler room experience - everything is heightened and it's easy to get left out or bullied or just down. Try anything you want to help - GP, counsellor, citizen's advice, head teacher, parents, anything constructive.
Best wishes for the future.
edit: I've not been to a school councillor (back in the day we didn't have those) but I've found councelling generally helpful. Any opportunity to discuss perceived problems n your life is helpful
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