
The researchers were able to study six CMOs with high schools. Of that sample, three CMOs had positive effects on student achievement, while three had insignificant or negative effects. Of the four CMOs with data on college enrollment, two had positive effects and two had insignificant effects.
The study shows that some CMOs produce much more consistent results than others. In math, about one-third of CMOs are producing consistently positive results, while about one-third are consistently negative and another third are highly varied. In reading, about one-third have consistently positive results and more than half have mixed or negative results.
As the report shows, CMOs with positive impacts on student test scores emphasize two practices: student behavior policies, and intensive teacher coaching and monitoring. An additional report will describe these promising practices in more detail; look for that in March 2012.
An interim report (June 2010) offers a comprehensive look at the national CMO landscape and provides context for the new report on performance. Both reports can be found at crpe.org.