A recent study in the USA documented the existence and growth of "excellence gaps" among students. These gaps are similar to the minimum competency achievement gaps that proliferate in policy discussions in many Western countries, but excellence gaps focus on the highest level of achievement rather than minimum competency. We extend this…

Test scores on the Test of Basic Concepts, a school readiness test, were compared with actual performance in school for 186 low-scoring and 133 high-scoring groups of first graders from Spain at the beginning of the school year to explore the issues of competence testing and prediction of performance. The measure of school performance was derived…