Coaching, clubs, after-school activities, supervision duties, assisting students outside of classtime etc are not extra duties. They are part of teaching. (Except in the US, where teachers have been so de-professonalised that they have the hourly-worker's approach to employment.) Perhaps you are also thinking of payment per student? payment per class? payment per assignment set? payment per parent-teacher meeting? payment per book read while you consider the possibility of thinking about possible new and different topics and approaches (which should in turn be compensated of course)? Baker's 1265 hours? I'm glad you are not in my school.

Last poster seems to defend JoyJobs too quickly - perhaps s/he is they ... I too think they are a scam aimed at innocents. You can find everything they offer elsewhere for free - especially here at ISR!

There isn't one; there's only an American one and a number of Argentine schools preparing students for UK exams