A lot of schools would probably prefer to recruit staff from the U.K., especially if the school follows the English National Curriculum, but they have no other option but to hire from Australia and South Africa.

I refer to your comment above. For your information British teachers are not always the best.

There are some very good South African teachers out there who work ten times harder than teachers from the UK.
They are also more caring and take a good deal of interest in their students well being. Something that British teachers sincerely lack.
British teachers could learn a thing or two about being more compassionate from their SA collegues!!