The mother of a friend of mine did this as a grade school teacher in Denmark. Same kids for nearly a decade, multiple runs (she's retired now). I'm not sure the

The mother of a friend of mine did this as a grade school teacher in Denmark. Same kids for nearly a decade, multiple runs (she's retired now). I'm not sure they still do it this way, but I suppose as long as the kids are exposed to other teachers it's not so bad. This way there's someone the kid is familiar with, while still having a variety of teachers for various classes.