shabby: adj. 破旧的，褴褛的
geographical: adj. 地理的
sponsor: v. 赞助
enrollment: n. 入学
capacity: n. 能力
integrate: v. 使成整体，融入
bully: v. 欺负
not to mention: 更不用说
impartial: adj. 公平的
upbringing: n. 抚养，教育
　　
There are several reasons for this phenomenon.
Therefore, it is an urgent task to…