Although Missouri has had a Career Ladder program for teachers since 1987, very little research has been carried out to measure the program's effects and what has been studied has not been comprehensive. This paper examines the program's effect on student achievement across the state, using longitudinal data on district math and reading scores for…

One goal of Missouri's Career Ladder program (CL) is to help school districts that have difficulty retaining teachers, particularly those that are small and rural, by offering their teachers opportunities to earn extra pay for extra work and professional development. This report seeks to estimate the effect Career Ladder Program has had on…