Teachers are one main factor constituting school, from some point, teachers level stands for the school level.

师资是学校构成的主要因素，从某个角度看，师资水平代表着学校水平。

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Level teaching can be influenced by many factors, such as learning interest, intelligence combination, teachers level, teaching conditions, etc.

影响分层教学的因素是多方面的，主要有学习兴趣、智力组合、教师水平、教学条件等。

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Teachers sometimes presuppose a fairly high level of knowledge by the students.

教师有时候假定学生的知识水平相当高。

《牛津词典》

"We want middle school kids to increase their level of achievement in science and math and for their teachers to increase their level of performance in teaching those subjects."

VOA: standard.2010.05.10

But what can you do at a national level to support teachers at the regional and local level?

WHITEHOUSE: Backyard Discussion on Women and the Economy

Teachers at the lower education level are mostly ethnic minority teachers teaching in remote ethnic villages.

UNESCO: Laos: Report: Part II: Analytic Section: cont. 2

However, the key reason we need the best talent in our universities is that teachers at this level cannot be competent if they were only middling students.

ECONOMIST: A sorry state