How do teachers define students as having stereotypical ethnic identities?

1. the ideal pupil identity - white MC girls - deserving of success 2. the pathological pupil identity - Indian/Chinese girls seen as asexual and achieving only through hard work and not natural ability 3. the demonised pupil identity - black or white WC, hyper hetrosexualised identity seen as unintelligent and belonging to subcultures - culturally deprived