Here's a way to show your appreciation for every student. Download this free file, print them out on cardstock...address one for each student. During the school year when you find a student doing something great or going out of their way to help someone else, write them a little note and drop it in the mail. I plan to fill out the addresses at the end of the summer so they are ready to go.
You read more about these on my blog http://ballinwithballing.blogspot.com