Calvin Robinson is a teacher, podcaster, journalist and consultant to the UK's Department for Education. In this episode, Calvin talks to Greg Ashman about his switch from the computer science industry to teaching, the events surrounding the Brexit referendum and how this played out in the school where he worked at the time, the wider issue of balance in the curriculum, the Free Schools movement in the UK, computing as a school subject, STEM subjects more generally, educational research and Calvin's role in the 'Don't Divide Us' campaign.