Since the late 1980s, state court judges in over twenty states, deriving their authority from the education clauses of their respective state constitutions, have struck down school finance systems as not "adequate." Pointing to evidence of unacceptable student achievement outcomes, especially among poor and disadvantaged students,…

Extensive education research on the contribution of teachers to student achievement produces two generally accepted results. First, teacher quality varies substantially as measured by the value added to student achievement or future academic attainment or earnings. Second, variables often used to determine entry into the profession and…