Each year over two million secondary-school students across Nigeria, Ghana, Sierra Leone, Liberia and The Gambia sit coordinated tests known as the WASSCE. In a new CGD working paper, undertaken by researchers from CGD and IEPA-Ghana, we look at English and maths papers in West Africa’s leading high-stakes exams and show that they can vary significantly in difficulty from year-to-year. If exams are not comparable over time then this has implications for countries that rely on results as they make education policy and for fairness for the candidates who sit them.
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