Used these this year. These are the best- most clearly stated class rules I've ever had. We added "Be safe." to the bottom of it. "Let others learn." has solved a lot of other mini issues that always come up.
Middle School Class Expectations / Syllabus from Mrs. Spangler in the Middle on TeachersNotebook.com - (3 pages) - This is what I hand out to my Middle School students as my class expectations - aka syllabus.