Ghana Before the installation of these toilet blocks at Salaga school in northern Ghana, students were constantly getting sick with diarrhoea because many had no choice but to go to the toilet in the open. More than 2,000 students attend the school but there were only a few toilets, which were worn out and very unsanitary. Now the toilets have transformed the school, and sickness rates have gone down. Girls and boys have their own private toilets which means girls are able to manage their periods with dignity and in private.

Photograph: WaterAid/Nyani Quarmyne