1.school appearance has changed a lot.Where and what?
2.students' uniforms have changed a lot.Colour?Style?Or simply prise?
3.teachers' teaching style changed.How?Better or worse?
4.schedual changed.From when to when?Like it or not?
5.course contents and textbook changed.Better or worse?
以上几点符合的都可以展开,帮你写的话不太好,但是思路已给,请加油~