This case study provides superintendents, principals, and teachers with information on how three school systems have used an assessment developed by the Organisation for Economic Co-operation and Development (OECD)--the OECD Test for Schools--to monitor students' academic outcomes and inform shifts in policy and teacher practice to meet students'…

In recent years there have been increasing efforts to use accountability systems based on large-scale tests of students as a mechanism for improving student achievement. The federal No Child Left Behind Act (NCLB) is a prominent example of such an effort, but it is only the continuation of a steady trend toward greater test-based accountability in…

Principals can play a pivotal role in the improvement of student learning by helping teachers develop and use sound classroom assessments that will strengthen instruction and student learning. The typical teacher will spend a quarter to a third of her or his available professional time involved in assessment-related activities. If they do it well,…

Innovations, Educational Testing Service (ETS's) corporate magazine, provides information on educational assessment for educators, school leaders, researchers and policymakers around the world. Each issue focuses on a particular theme in assessment. This issue explores the question, "What makes a great teacher?" Articles in this issue…