We need to search beyond politicians’ construction of multiculturalism, says Professor Robert Jackson. Research shows a much more complex picture of the ‘multicultural’ nature of society and of cultural relations, with constantly changing, complex and heterogeneous cultural groupings, exhibiting much diversity and some tension over issues such as identity. Religion, and our understanding of it, remains vital to all of this, not least within our schools. So where is it in PM David Cameron's vision and policy?