In other words, their goal, like that of the Khan Academy, is to make the classroom more interesting and to do that they want to take away the material.

FORBES: Online Education Experiments at the Margin

So, for Professor Broadfoot, the key ingredients of good teaching included: creating an atmosphere of mutual respect and fairness in the classroom, providing opportunities for "active learning" and humour to encourage pupil engagement, making learning interesting, and explaining things clearly.

BBC: NEWS | UK | Education | What makes a good teacher?