In this commentary, the 3 review papers by Reynolds et al. (this issue), Muijs et al. (this issue), and Hopkins, Stringfield, Harris, Stoll, and Mackay (this issue) on "educational effectiveness", "teaching effectiveness", and "school and system improvement" are discussed. In the text, the 3 papers are occasionally…

As education systems in many countries respond to demands for higher standards, they face the challenge of how to achieve equity. Put simply, how can systems continue to raise overall levels of achievement whilst reducing the gap between higher and lower performing groups of learners? This paper reflects on evidence collected as a result of a…

This paper reflects on experiences of working with schools in urban contexts as they have attempted to improve the quality of learning. Set within the context of the English education system during a period of intense national pressure to "raise standards", these experiences have been focused around issues of performance and leadership in schools…

Using Singapore as an illustrative case study, this paper discusses the attempts by the Singapore government to improve schools through reflection for teachers. The paper points out that the conception of reflection advocated by the state and practised in schools is explicit and systematic in nature and focuses on specific and proximate matters…

Critiques John Gray and associates' article "A Multi-level Analysis of School Improvement" in the same "School Effectiveness and School Improvement" issue. Instead of distinguishing between stable and unstable components of school-effectiveness indices and between different effects, the authors identify schools' variances around the 1990 mean.…

School-effectiveness researchers have had difficulty quantifying stability in effectiveness over time. Responding to Peter Tymms's argument that Gray and associates have not provided an authoritative statistical analysis of school effectiveness (in a study of 30 British secondary schools), this article asserts that this study was concerned with…