The aim of this paper is to give comparative analysis of effect of two educational policies: teacher allocation policy and teacher retraining policy. For this aim, we propose agent-based simulation model with student agent and teacher agent. Student agent is taken into account academic achievement model and learning theory. Teacher agent has three parameters as teaching skills. Our computational experiments obtain the following two results: The one is that additional placement of experienced teachers has an effect on students with low academic achievement. The other is that teacher retraining policy improves academic achievement of students with high level.