When I went to school, the rule was simple. Pass your courses and you passed to the next grade at the end of the school year. Fail and you were held back until you did.
My parents, and all the parents I knew, thought this was just fine. They felt we were in school to learn and if we didn’t learn, why would we be sent to the next grade.
Now I will be the first to admit that the phrase used for this system – “getting left back” – is probably not the kindest phrase in the world. But