We have developed a series of resources, in partnership with The Royal Society, to enhance science learning in schools. This second resource in the Commonwealth Science Class series is centred on how the prevent the spread of infectious diseases and is packed with activity ideas to help your students investigate and explore the subject in more depth. Before downloading the resource, and to help you get started, we recommend you watch the accompanying video with your class.

In China, young people hoping to go to university must excel in the Gaokao - a very tough entrance exam. This film follows Ma Li, 18, who is one of the 9.15 million Chinese high school students about to start studying for the exams. For Ma Li, and many like her, the exams will be the culmination of an exhausting year of cramming and revision. The pressure is high, with some schools going to increasingly extreme lengths to boost exam results.

Nada, 13, and Mina, 12, go to different schools with different head teachers in Keseljac, Bosnia Herzegovina. But the two schools are in the same building. This is known as ‘Two Schools Under One Roof’. After the Bosnian war ended in 1995, this kind of school was set up as the first step to bring people back together. But after so many years, it’s keeping them apart. Most of the Bosnian Muslim pupils here - like Nada - want the two schools to merge. But Croat pupils - like Mina – are concerned that they will lose their identity.

In China, young people hoping to go to university must do well in the notoriously difficult entrance exams, the ‘Gaokao’. Ma Li, age 18, is one of the 9.15 million Chinese high school students about to start studying for the exams. It’s a long, hard road, and both Ma Li and her family will have to make sacrifices if she is to do well. Follow Ma Li’s progress and find out why China’s university entrance exams, the ‘Gaokao’, are said to be the toughest in the world.

Follow disabled schoolboy Alex, as he learns about the Paralympic Games