James, C. & Connolly, U. (2000). Effective change in schools. London: RoutledgeFalmer.
2.
Teddlie, C., Stringfield, S. & Reynolds, D. (2000). `Context issues within school effectiveness research' . In C. Teddlie, C. and D. Reynolds (Eds.) The international handbook of school effectiveness research (pp.160-186). London: Falmer.
3.
Welsh Assembly Government (2002). Narrowing the gap in the performance of schools. Cardiff : Welsh Assembly Government.
4.
The research was funded by the Welsh Assembly Government and the Welsh Local Government Association and was part of their Narrowing the Gap Initiative.