The practice of subjective teaching in Chinese language classrooms in middle school must base on the open, mutual- motivating and developing principles.

中学语文课堂实施主体性教学应遵循开放性原则、互动性原则、发展性原则。

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The building of Music and Art school comprises two schools working separately until now. The classrooms are placed on perimeter, while practicing halls and libraries in the middle of the building.

音乐和艺术学校过去一直是分开的两所学校，直到现在才被融合在一个建筑中。

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Classrooms and emergency staircases are situated on both sides of the building; in the middle part are the lobby, technical rooms and courtyard.

教室和疏散楼梯位于大楼的两边，中间是大厅、机房和庭院。

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Why, then, do we put classrooms in the middle of pastoral formation and apprenticeship at the edge?

FORBES: Bursting The Seminary Bubble, Part II

Also, while the probes are in orbit, NASA is running a project in conjunction with middle school classrooms around the country called the GRAIL MoonKAM.

FORBES: NASA's GRAIL Mission Will Unlock Secrets Of The Moon's Interior