In order to keep the school clean and protect the environment, after each lesson, I will clean the table with my classmates, wipe, sweep and clean the board. Keep books neatly to avoid haphazardly going to class, so the next day you have books to study as well as receive knowledge. During the last week of class, he and his friends clean the school yard, collect leaves, sweep the garbage, and water the plants to bring a fresh air.That is the protection measures, the school you are attending, can be fresh, clean, airy and spacious.