Question

what reasons did the head teacher offer for expelling albert einstein from school

Answer 1

The head teacher told Albert Einstein before expelling him that no teacher in the school was ready to go to the class and teach when Albert was present there.

It was also complained that the pupils of his class couldn’t learn in his presence.

In short, his presence in the school was not welcomed by anyone.

Answer 2

$<b><u><i>$ The head teacher of Einstein's School says that, Einstein was a dull boy and the teachers can't make him learn anything anymore.

The teachers aren't satisfied with his presence in the class. They can't afford his presence, actually.

He disturbs the attention of other students on the lecture, the teacher give.

Hence, it was clear that the head teacher doesn't wants Einstein to be in the school anymore.