What about the effect of bad students? Isn't education a two-way process involving a supplier and a consumer? I got my highest grades in subjects I enjoyed (Bu

What about the effect of bad students? Isn't education a two-way process involving a supplier and a consumer? I got my highest grades in subjects I enjoyed (Business and Mathematics) and my lowest grades in those I didn't (English). Was my English teacher not as good because I got a D yet the Business and Maths teachers got an A or B out of me? Does the fact that other students got A in English and a D or E in Business or Maths show that actually the English teacher is 'better'? Or was it just an anomaly? Sure, there are no doubt a tiny minority of teachers who (in the UK at least) have paid thousands for a degree, gone through some form of postgraduate training and accreditation (years in total) only to land a job and then throw it all away. However, my own opinion is that 'bad teachers' are an excuse for bad students and (anecdotally and just in my experience) poor parental/primary caregiver role models. I saw the same 'my son/daughter is performing poorly because of bad teachers' come from parents whose children were more adept at petty crime and drug dealing.