FIGURE 19 . ACCESS TO HIGHLY EFFECTIVE TEACHING BY STUDENT PROFICIENCY LEVEL
45 % 49 % 51 %
28 % 28 % 29 %
Below Basic Basic Proficient Advanced
Source : Tennessee Department of Education , 2016
Data also indicate that historically underserved students are disproportionately concentrated in harder-to-staff schools where high teacher turnover and more early-career teachers mean fewer of these students receive instruction from highly effective classroom teachers . Improving the skills and performance of incoming teachers could greatly benefit students in these settings . Similarly , some districts struggle to adequately staff English learner and special education teaching positions , making it even more difficult to provide these students with high-quality instruction .
The proportion of students at each performance level assigned to a highly effective teacher the following year shows that higher-performing students have greater access to higher quality instruction .