This issue focuses on what recent research from Tennessee, Texas, Massachusetts, and Alabama says about the most significant factor that impacts student achievement: the teacher. After presenting teacher effectiveness data from the four states, it discusses what makes an effective teacher, focusing on the need for strong verbal and math skills,…

Practices for improving adolescent literacy--which includes reading, writing, and speaking--are much discussed and debated among secondary school educators and researchers. At Discovery Middle School in Madison, Alabama, the debate has ended after teachers and administrators implemented several practices that elevated student achievement from…