KS12 Ask pupils to reflect on the silence in their lives (try two minutes of it). Ask them to write about how the senses help connect us to other people. Discuss what being deaf is like.
KS3 Create an assembly or a display on "deaf children in the UK". Use the internet to research different charities.
KS4 Research the Disability Discrimination Act (1995) using www.disability.gov.uk. How is disability defined? What does the law say about it?