States and districts have to decide, solve the long term or the short term problems?

From an abstract at the University of Washington:

The data show that while almost all teachers hold at least basic qualifications, there are high levels of out-of-field teaching—teachers assigned to teach subjects that do not match their training or education. Moreover, the data show that out-of-field teaching has gotten slightly worse in recent years, despite a plethora of reforms targeted to improving teacher quality.

And the beat goes on. When will there be a solution to any of these problems?