Education is gaining more prominence in the affairs of Nigerians more than ever before. It is seen as a way of answering so many questions and solving a myriad of problems. More funds are being committed to education both by the Governments and Private Citizens. There is therefore a greater demand for probity and accountability. The maintenance of standards and assurance of adequate measures of quality control are now the concern of all enlightened parents. The significance of school inspection and supervision has now come into the limelight. The terms – Supervision and Inspection are often used interchangeably. There is the need to clarify these two terms and spell their functions in education. In this unit, the meaning of the two terms will be discussed and their differences brought out. The purposes of inspection in education will be explained and how to conduct an effective inspection will be outlined.