Special educational needs and disability code of practice: 0 to 25 years. Statutory guidance for organisations which work with and support children and young people who have special educational needs or disabilities. Last update :January 2015. This Code of Practice provides statutory guidance on duties, policies and procedures relating to Part 3 of the Children and Families Act 2014 and associated regulations and applies to England. It relates to children and young people with special educational needs (SEN) and disabled children and young people. A 'young person' in this context is a person over compulsory school age and under 25. Compulsory school age ends on the last Friday of June in the academic year in which they become 16. For ease of reference, young people are referred to in this Code of Practice as 'over 16'.