The quality of school education in India varies widely. From the Doon School in the foothills of the Himalayas which teaches the sons of India’s elite to the tens of thousands of dusty government schools that dot India’s rural plains, providing classes in rote-learning for the children of agricultural laborers. The photographs I have just featured in my gallery on south Indian students looks a school in Tamil Nadu that falls very much in the bottom half – though certainly not right at the bottom – of this scale.…