The Trends in International Mathematics and Science Study (TIMSS) is a worldwide research project run by the IEA. It takes place every four years and provides data about trends in mathematics and science achievement. This briefing provides an introduction to TIMSS 2015 and its key findings in Northern Ireland.
How to cite this publication:
National Foundation for Educational Research (2016). Key Insights from TIMSS 2015 (Northern Ireland). Slough: NFER