Pupils mark their own homework: this is an important principle in Japanese schooling as it enables pupils to see where and why they made a mistake, so that these can be avoided in future.

学生们自己给作业打分：这是日本学校教育中一个很重要的原则，因为它可以学生们看到他们在哪里犯错以及为什么犯错，这样以后就可以避免这些错误。

youdao

People sort into schooling on the basis of the principle of comparative advantage, which we document to be an empirically important phenomenon in modern Chinese labor markets.

在当今中国的劳动力市场上存在一种重要的实证现象，即人们根据比较优势原理对教育水平进行选择。

youdao

Convinced that education plays a key role in reducing conflict, prejudice, poverty and intolerance around the world, his work is based on the guiding principle of providing access for all young people to better schooling.

UNESCO: Detailview | United Nations Educational, Scientific and Cultural Organization

Those figures are static or in some countries worsening: given the demography (Romani families are usually large), improving schooling is a matter of urgent European self-interest as well as of principle.

ECONOMIST: Europe's Romanies