system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: No Child Left Behind

Why is it necessary? What are the pros and cons of it? Why not have kids that understand you can fail and succeed in life?
gpt
You dislike it for the wrong reasons.
No Child Left Behind means that teachers' salaries depend on how their students preform on standardized tests. Obviously, this means that all good teachers migrate away from poor schools where their pay will be docked.