Key Stage
noun
- (in the UK) any of the four fixed stages into which the national curriculum is divided, each having its own prescribed course of study. At the end of each stage, pupils are required to complete standard assessment tasks.（英国）分阶段教程（全国统一课程设置的4个阶段中的任一阶段, 每一阶段均有各自的规定教程。每一阶段结束后, 学生必须完成成绩评估作业）。