At the present time, generally, attendance system in schools, colleges, etc is based on paper. So sometimes this procedure causes mistakes and also time taking process. So the proposed system uses RFID technologies to make a reminder of each student entering the classroom and also to analyze the time exist in the class. In this project, every student is selected with an RFID tag. The procedure of attendance can be done by insertion the card near the RFID reader. This article discusses what RFID is, and RFID based attendance system with an example project.