Bloom showed that when students were allowed a little flexibility in the pace of their learning, the vast majority of students ended up performing extremely well. Bloom’s data also revealed that students’ individual pace varied depending on exactly what they were learning. One student might breeze through material on fractions, for instance, but grind through material on decimals; another student might fly through decimals, but take extra time for fractions. There was no such thing as a “fast” learner or a “slow” learner. These two insights—that speed does not equal ability, and that there are
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