Educational outcomes are shaped by many factors, but research shows that teacher quality is the most important in - school factor influencing student
achievement.59 Of course, other out - of - school factors, which are often caused by poverty, can also influence student outcomes.60 Because teacher quality has been shown to have a measurable impact
on standardized
test scores, some academics have started trying to directly measure the impact of Act 10
on student outcomes by examining how students
fared on standardized
tests after its passage.