Why do teachers keep records?

It is required by state law that teachers keep many records and files concerning students. Some deal with test scores, tests taken, and observations of student behavior. Others are records sent to teachers/schools from grade to grade. This includes report cards copies, test scores, pictures of student, parent contact, work samples, observations by each teacher. Some schools also add portfoliOS be kept. Everyday teachers have some form to fill out and turn in besides teaching, yard duty, parent contact, helping students, and various meetings.