Teacher observation occurs when a teacher observes a student in a learning environment to ascertain how the student learns best. It also occurs when an administrator observes a teacher during classroom instruction for evaluation purposes.
According to About.com, teacher observation of students in the classroom is an invaluable tool for improving lesson plans and spotting areas that are potential problems for a student. It is a crucial part of the recommendation for special education testing. Teacher observation by an administrator is used to make sure teachers are doing their jobs, but it is also a learning opportunity for a teacher to see where she needs to improve.