Located within the Department for Children, Schools, and Families, the unit has responsibility for implementing government policies relating to the raising of standards in English schools. Its remit also includes the promotion of innovation and diversity, the improvement of pupil standards of attainment, and the monitoring of school performance. In relation to the latter, the Unit is empowered to intervene where necessary in the interests of maintaining the required standards of performance. Its responsibility also extends to the management of innovations such as the National Literacy and National Numeracy strategies and the Excellence in Cities initiative.
http://www.standards.dfes.gov.uk/seu/#3 Provides details of the organization of the SEU.