Shouldn't teachers under whose tutelage kids don't do as well at least be told the problem so they know to seek help? In worst cases, shouldn't they be told to seek other work?
It also stated that,
The data should be used to grade and reward the best teachers. It should also be made public, allowing parents to choose their kids' teachers.
For that matter, data on the schools themselves must be made public, and parents allowed to opt out of schools that consistently fail their students.
Instead of more money, we should demand this information and data.