Teachers unions have led to promotions and raises for bad teachers, and demotivation for good teachers. https://www.heritage.org/education/commentary/new-naep-t

Teachers unions have led to promotions and raises for bad teachers, and demotivation for good teachers. https://www.heritage.org/education/commentary/new-naep-test-scores-are-disaster-blame-teachers-unions https://www.heritage.org/education/commentary/new-naep-test-...