Middle school stage is an important period during fundamental education.

中学阶段是基础教育中的重要时间段。

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Finally, this paper mentions that mathematics teaching is combination of mathematics knowledge teaching and MC teaching, and we should expand MC teaching in the middle-school stage.

最后本文指出，数学教学是数学知识教学和数学文化教学的有机结合体，就中学阶段而言，我们应主动加大数学文化教学的成分。

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In the high school stage of children's learning, some children learn to learn together and constantly relaxed and can get good results, is because they have mastered the correct learning methods.

在孩子学习的高中阶段，有的孩子学习学习起来不断轻松而且还能取的好的成绩，就是因为他们掌握了正确的学习方法。

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Billie went to stage school for a couple of years before her pop career took off.

BBC: Billie: live in the Breakfast studio

The new recital takes place on the Big School's stage on 31 May.

BBC: Benjamin Britten and Peter Pears

Basically, what the bylaw, which went into effect for the 2012-13 school year, does is extends rules governing sports-related transfers during high school way, way back to the latter stage of elementary school.

FORBES: Indiana Warns 10-Year-Olds: Being Recruited Now Means No High School Sports Later