Peers have highlighted concerns about the way the Education Bill could allow schools, and notably faith schools, to operate in narrow and exclusive ways.
University College London and the Accord Coalition on inclusive schooling are teaming up to host a major panel debate on the role of religion in education.
Research shows that religious discrimination in schools presents a big barrier to integration, and that ethnic segregation in English schools is entrenched.
Inclusive education advocates have welcomed a 'radical' suggestion from the Bishop of Oxford, that church schools should severely limit religious selection.