vary: v. 改变，变化，变更
amount to: 达到
scare: v. 惊吓，受惊
perceive: v. 感知，感到，认识到
push forwards: 推出
as is know to all: 众所周知
core: n. 核心
key school: 重点学校
enroll: v. 登记，招收，加入
categorize: v. 分类，加以类别
Confucius: n. 孔子
classification: n. 分类，分级
institution: n. 机构

From the picture, we can see that…
We can also perceive that
Such a phenomenon has begun to emerge in the recent years, that is…
Therefore, I think it is high time for the related institutes to take measures…