The relationship between teacher and pupil was at times strained.

There is thus a clash of interests between teacher and pupils.

In this condition the difference between pupils is usually less than 1 mm.

In a working relationship between female teacher and pupil there can be a healthy realism.

Of course there is sometimes an erotic element between teacher and pupil.

A normal population survey showed that during poor light or near dark conditions, differences of 1 mm on average between pupils was found.

For several of the purposes listed above a comparison between pupils is required.

From that moment a friendship is formed between master and pupil.

Fights broke out between pupils trying to shove their way to the front.

Although the Lower school is on the same site, there is little interaction between pupils.