My school changes a lot these years. The campus becomes more and more beautiful.

我的学校在这几年变化很大，校园变得越来越漂亮了。

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Meanwhile, I analyze the reason why the system of running a school changes in each historical period.

同时，也分析了各个历史时期办学体制变化的原因。

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"Most experts agree that the changes were related to something in the environment," says social epidemiologist Thomas Glass of The Johns Hopkins Bloomberg School of Public Health.

约翰霍普金斯大学布隆伯格公共卫生学院的社会流行病学家托马斯·格拉斯说：“大多数专家都认为这些变化与环境有关。”

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School officials decided to make changes at Ballou after less than sixty percent of the senior class graduated in two thousand six.

VOA: special.2011.06.23

In Miami, recent changes have forced the public defender to cut 30 attorney positions and curtail internships for law school students.

VOA: standard.2009.05.22

Slippery Rock University isn't the only school making changes to graduation ceremonies because of swine flu fears.

CNN: Students can't be part of main graduation because of Mexico trip

The faith school transport changes will start in September 2012.

BBC: County Durham school transport changes approved

The legislation allows for the extension of the school day, changes to the curriculum, the introduction of pay by results for teachers and could involve the removal of school staff.

ECONOMIST: Education reform in Massachusetts