For at least two decades, studies have demonstrated that the least experienced and credentialed teachers are concentrated in poor, minority, and low-performing schools. Some blame provisions in collective bargaining agreements (CBAs) between teachers unions and school districts that favor senior teachers. Seniority preference rules, they say,…

The authors evaluated the effectiveness of the Quality Improvement System (QIS) developed and implemented by Children's Services Council of Palm Beach County (Florida) as a voluntary initiative to improve the quality of childcare and education. They adopted a growth model approach to investigate whether childcare sites that participated in QIS…