That may explain the paradox that, after primary school, there seems little or no relationship between class size and educational achievement.

这似乎可以用来解释一个悖论：小学过后，班级大小与教育成果之间几乎没有什么联系了。

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This study, choosing a primary school as a case, aims to investigate how a principal facilitate the change of school organization under the framework of educational culture in China.

本项研究尝试通过一个个案，考察在中国学校组织背景下，一个小学校长是如何促进组织变革的。

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The primary school teaching theory of mathematics is a required course for primary educational majors.

小学数学教学论是高等师范院校体现小学教育专业特点的一门专业必修课程。

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Instead the authors recommend that "policymakers should concentrate on educational reforms in primary and pre-school" and want more effort made to raise the basic skills of disadvantaged groups.

BBC: Top maths pupils 'fail to keep up with world's best'

After declining during the 1970s and early 1980s as the last of the baby boomers worked their way through the educational system, total primary and secondary school enrollment in public and private schools in the United States grew steadily during the late 1980s and 1990s, reaching an all-time high of 52.7 million in 1998.

UNESCO: II Part Analytic Section

What amuses (or enrages, to taste) about all of this is that schools like Summerhill, and that educational ethos has become a standard part of primary school teaching in England, are considered to be of the left.

FORBES: Hippie Educationalists and Libertarians