How loyal are your pupils to you ?
Pupil buy in to you as an instructor is imperative, not only in making teaching them easier for you, you also reduce to possibility of a late cancellation, or now show.
Giving them a hook in to you and your driving school, shall guarantee your revenue from them, for the next 30-40 hours.
The link below goes over this train of thought in very much detail.
This is the ethos behind ADI Networks Benefits Package.
By offering ADIs ways to not only save money themselves, but also offer these perks to their pupils.
Pupils feel valued and by giving them ways to save money, you create ways for them to still afford their lessons and not make a choice between going out with friends and not having a driving lesson.