Decorate your students and any picture of a person on any poster you have with a wild, wild mustache.
Here's a long shot-take your classroom door off the hinges and put up saloon doors. Eh? Eh? I would like to know if anyone can get this by their principal. If not, use this stick-on.
Decorate your room with cactus and cowboy boot lights, horse lights, wood backgroundsfor bulletin boards, barbed wire garland, western lanterns, potted cactuses (safer than real), cow print fabric as a background on bulletin boards,
Create 'Wanted' posters with your students faces using this template. Check out the Classroom Jobs page to see how I use this template on a bulletin board.
Round up your outlaws with these wanted posters. See if you can get pictures of the students from parents before school starts, and have these on your door for when they walk into the room on the first day.
Western Clip Art- Here are some cute cacti and a neat idea for a border. Copy this onto a transparency, blow it up on an overhead and trace onto posterboard.
I'm going to be giving each student a charm bracelet (without charms) at the beginning of the year, and they will be able to collect charms on it for each event we do. These charms are so cheap they just beg to included in your celebration. And the amount is perfect for any size classroom-I don't think it's legal in any state to exceed 36 students.