"In one large urban school district, a student who has three good teachers in a row ends up at the 76th percentile, compared with the 27th percentile for a student with three less capable instructors. But college graduates with high test scores are less likely to take [teaching] jobs." Teach For America is changing this.
– “Good teaching matters…a lot,” Thinking K-16, 1999. Who Will Teach? 1991.