Why don't more of our smartest, most accomplished college graduates want to become teachers?
People trying to improve education in this country have been talking a lot lately about boosting "teacher effectiveness." But nearly all such efforts focus on the teachers who are already in the classroom, instead of seeking to change the caliber of the people who enter teaching in the first place.
Three of the top-performing school systems in the world -- those in Finland, Singapore and South Korea -- take a different approach, recruiting 100 percent of their teachers from the top third of their high school and college students. Simply put, they don't take middling students and make them teachers. They tap their best people for the job.
Of course, academic achievement isn't the whole story in these countries. They screen would-be teachers for other important qualities, and they invest heavily in training teachers and in retaining them for their entire careers. But scholastic prowess comes first: You don't get through the classroom door in Finland, Singapore or South Korea without having distinguished yourself academically. In the United States, by contrast, only 23 percent of new teachers scored among the top third of SAT and ACT test-takers back in high school. In high-poverty schools, that figure is just 14 percent.
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