Any or all of the 3 select boxes above can be left blank, in which
case schools or programmes will be returned irrespective of 'from'
and/or 'into' languages and/or location.
When multiple selections are made within a select box, all schools or programmes
matching at least one item will be returned.
When selections are made in more than one select box, only those schools or programmes
matching at least one entry in each of the select boxes are returned.