The most valuable lesson that I learned from all of my classroom management strategies last year was that none of them are as important as what a teacher does on the first day of school. This did not come as a surprise to me. As a first year teacher, I was told countless times by numerous, experienced teachers, principals, and trusted family members, that the first day of school is the most critical time for establishing effective Classroom Management. There is even a very popular book written with the title, First Days of School, by Harry Wong. While I took this advice seriously, it rings more true to me now than ever. Now that I have had a year to reflect on my effectiveness at managing the behavior of two fourth-grade classes, I can see how my classroom management plan was rather vague, at best.