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'It's dirty, not all classes have electricity, the toilets are broken - they could even bring us diseases.'

That鈥檚 how Yolanda, 17, describes her school.

She lives in a rural village in South Africa and has been campaigning for better standards of education in her country. She wants to know if the quality of schools and the education they provide will be better for the next generation.

鈥淨uality education鈥� is goal four of the UN鈥檚 Sustainable Development Goals, a set go targets announced in 2015 to transform lives around the world by 2030.

This video is part of Project 17, a World Service series produced in partnership with the Open University, in which 17-year-olds look at progress on the UN鈥檚 17 goals.

Video journalists: Bj枚rn Rudner and Eleanor Layhe