“…Cornett (1994) found that in Arizona, among students taught by teachers in the career ladder program, achievement increased, dropout rates declined, and graduation rates increased. Despite these successes, career ladder programs tend to be short-lived, and most of the programs established in the 1980s were phased out by the mid-1990s (Hatry, Greiner, & Ashford, 1994). One explanation for the lack of long-term commitment to career ladder programs is that the programs tend to be costly.…”