[WillowTheWhisp]

Originally Posted by lettie

Like I said, they are under the supervision of an experienced auxillary at all times.

That illustrates the point that they are not an asset but that the employer is inconvenienced by their presence and the normal working day tends to take a lot longer and is more complicated by their presence. It benefits the pupil a lot more than it benefits the employers. It's surprising they don't have to pay for the privilege.