What constitutes an effective discipline plan?

When thinking about a well managed classroom, I imagine rules, whether they be verbal or written, and also a well thought out discipline plan. Now a well discipline plan consist of positive and negative consequences. A teacher must establish the set of consequences for his/her students as soon as they enter the room on the first day of school. There should be at least a minimum of three rules in every classroom. Rules allow students to know exactly how they are expected to behave. At all times the students should be held to meet high expectations, if that becomes a problem, negative consequences follow negative behaviors. Even though students should feel love towards learning and attending school, consequences must be taught; consequences come up in any action taken whether it be in school or in ones personal life, as teachers we must prepare students for life! Both consequences and rules apply to all grade levels, in different matters, but they are a must!