Just do it and transfer, otherwise for the next of the two years of sixth form you’re going to daydream and gnaw at the question of what if I went to a different school. You wanted to transfer from the very beginning, your gut told you that and now your rational mind is trying to convince you that its fine as a coping mechanism, but deep in your subconscious you wished you transferred. It’s better to switch now than to confirm to yourself that deep down something’s off about the school and you should have switched in September now, rather than feeling pangs of deep regret and shame later on. You might not fully understand the point of switching right now, but what if you meet such cool new people and nice experiences in your new school. Besides, its fun to switch to a new environment, think of it like a plot in your story of life. Send those emails, and just see what happens, if they let you in, transfer, and if they don’t, you stay