It is very portable and can be used in conjunction with other aids such as spellmasters and wordprocessors.
Most schools are happy to comply, especially if the parent provides the machine.
If approached tactfully, many secondary teachers will use the VR during lessons with a lot of oral content, if they are in control of the machine. If there is more than one child in the class who needs this support,copies of the tape can be made quickly. The child can dictate ideas for an essay or report before typing it up. Some pieces of work can be presented as a tape. It is invaluable for recording results in practical science and design and tech. lessons.