Class 5C at Vivallaskolan in Örebro has set itself a goal: to become "the world's best class". Not by having the best grades in maths, but by taking part, listening to each other and working together with everyone in the class – not just their best friends. Several times a week the class practises this through different exercises.

For SVT's children's news programme Lilla Aktuellt, reporter Kajsa Sandberg and I visited the class to find out how you become the best class – and whether it has made a difference. I filmed the story in the classroom and the interviews with the pupils.

The story was broadcast in Lilla Aktuellt and Lilla Aktuellt skola and can be watched on SVT Play.

This is one of more than 1,000 stories I have worked on for SVT.