We are living in an increasingly data-driven world. From tracking our fitness data, to analysing coronavirus infection rates, to choosing to watch TV shows ‘selected for you’ by Netflix, data is everywhere. This issue focuses on data science and data literacy; it is full of teaching ideas and inspiration to help you and your students use data to make decisions and to make sense of the world.
Due to a shortage of teachers with computer science degrees, switching specialisms is a common route to becoming a computing educator. But why do some teachers choose to change subjects? In issue 15 of Hello World, we hear from five people who have made the switch. They tell us about the challenges they have faced, as well as the joys of teaching young people how to create new things with technology.