假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加，删除或修改。
增加：在缺词处加一个漏字符号（八），并在其下面写出该加的词。
删除：把多余的词用斜线(＼)划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：1.每处错误及其修改均仅限一词；
2．只允许修改10处，多者（从第11处起）不计分。
Nowadays more and more parents paid great attention to which school their children should be sent. The more famous the school is, the great desire the parents have it to send their children there. This also gives the school authorities great pressures on meeting the need of academic levels. On the one hand, the school wants very much to maintain it's popularity of high academic achievements, when on the other hand, they have to face the reality of the differences in their pupils. In this case, some schools choose to stream our pupils into different types according to their grades. And most schools still teach students in a traditional way, mixed-ability teaching methods, what has aroused some interest in education researchers.