RFID GSM Based system is a device design to replace manual attendance list of which is mostly misused by people attending for other.The device has capability of sending sms when someone sign in and send another sms when the same person sign out .The system is designed to be used in schools for class attendance.Most students have tendency of attending for other more for manual list ,when the person in charge counts the class attendance against the people available there has been always not the same .This cannot be confirmed more so for class with so many students.This project design comes in to counter the above problem.