What is the best thing to do with the dry leaves?

where going to have an experiment and i was thinking of something that can be seen here in our country(Philippines) especial to our school i always see the janitors having a hard time just to minimize the dry leaves and i was thinking of something that can make dry leaves minimize in the way that the janitors and the student will not have a hard time brooming this leaves so i need your help please give me reference on your research or if you have a good idea i will approximately appreciate that =D