This is a good list of pointers to remember when decorating a classroom. I like visuals and would probably be guilty of putting up too much at one time. I loved the question "Do the walls need Ritalin?" as a reminder to tone it down!
Aragon High School: Dr. Hughes
'Keys to Success' high school bulletin board. Characteristics printed on scrapbook paper and cut out in tag shapes.
10 Classroom Jobs for Middle School and High School - good to set up at the beginning of the year if you're going to
3 high school Math word wall ideas.
highschool math classroom decor - Google Search
This needs to be hanging up in every high school classroom.
Attitude is the mind's paintbrush... bulletin board
Organizing Absent Students and Work Turned In
Florida High School English Teacher Online Blog Blogs about her classroom ideas, assignments, rewards, etc. High school classroom stuff, decor, etc. --That Tattooed Teacher