Question

藤

She thinks that cleaning our school is the most important things to be a good student.

She has three reasons.

First,she thinks we can study better in a clean classroom.

Second, she thinks we should be kind to everyone .

Third, she thinks we can feel refreshed when we enjoy cleaning.

この文、she thinks~が連続しているのですが、変えたほうが良いところはありますか…？