Vuyani Chipunza never expected to become a maths and science celebrity but these days he is stopped in the streets by learners asking if he is “that Vuyani from Yebo Tutor”. He most certainly is. He ...
San Jose, California: Jesse Roe, a ninth-grade math teacher at a charter school here called Summit, has a peephole into the brains of each of his 38 students. He can see that a girl sitting against ...
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