A science teacher from rural Kenya who donates most of his salary to help poorer students has been crowned the world’s best teacher and awarded a $1m prize, beating 10,000 nominations from 179 countries. Peter Tabichi, 36, a maths and physics teacher at Keriko secondary school in Pwani Village, in a remote part of Kenya’s Rift Valley, has won the Varkey Foundation Global Teacher Prize 2019. Tabichi, a member of the Franciscan religious order, received his prize at a ceremony…