The hybrid teaching assistant for developing interactivity and comprehension is a model to enhance students ' learning by involving them in different testing types and discussions, providing them with advices and allowing them to send their feedbacks. The system makes use of the Internet and Communication Technologies (ICT) to provide a reliable and secure environment. The system consists of exams, discussions, query, charts and feedbacks. Web and mobile phone SMS are used as a communication base among the system's users. The system is hybrid two directional because students can answer the questions using the web form or the SMS form. In addition, students can receive advices and send their comments in both ways. Experiments results showed that students were more enthusiastic during the lesson, they were totally involved in the class room and they achieved better grades. Answers charts improved students' cooperation since they need to discuss the choices to find the correct answer.