The instrument was used a written test. The data collection used a multiple choice written test with five alternative answers. Test instrument used the dimensions of understanding according to Anderson et al. The results showed that biology teachers knowledge about Discovery Learning model was higher than the Team Assisted Individualization (TAI) learning model. Based on teaching experience, biology teachers has very high knowledge of Discovery Learning model in work period 10-20 years, while biology teachers has high knowledge of Team Assisted Individualization learning model in work period 31-41 years.