Abstract: N day-to-day lives there are different types of identification system are present For the detection of Animals, students, products and also for transportation. The system like Barcode system, Smart-card and Bio-metric technology are present. As compare to them RFID is faster than barcode and smart card system and cheaper than bio-metric system, Hence we preferred to the RFID for our Project. Our project is Smart Attendance System using RFID. RFID stands for Radio Frequency Identification and Detection. In this we are using RFID reader and passive RFID chips. Reader is located on fixed location sends signal to passive RFID chip detected in range of reader. Chip re-transmits the acknowledgement signal with its unique Identifier code, hence chip is identified. Also, a single reader can identify many no of chips in very short period of time. So, we are using these properties of RFID reader and tag to monitor the student