no, they don’t brainwash. They teach Torah-true hashkofos.
True, some girls may come out brainwashed, but that is their fault.
Mrs Chritique: you mean Manchester, don’t you?
i went to old Gateshead before the new one opened. I have warm memories of a wonderful seminary. I hear both are very solid though they are different. You need to find out which suits you more.