Older schoolchildren typically perform better on academic achievement tests than younger students in the same classes. Studies looking at an array of countries, grade spans, and subjects have found that age differences of even a few months do matter. Relative-age effects introduce an arbitrary bias that favors older students. These effects are a…

The author discusses fixing the "Iceberg Problem" of gaps and unfinished learning lurking beneath the surface of math students. Math is cumulative, with new learning resting atop earlier mastery. Year by year, students learn interconnected concepts in a coherent progression, building a foundational body of knowledge that undergirds new…

This Study Snapshot highlights key findings from a study of principal retention rates to help leaders in Arizona, Nevada, and Utah better understand principal retention patterns in their state, so that their new statewide leadership support initiatives could identify areas where support could be most effective. With school systems facing an…

The Illinois State Board of Education (ISBE) is committed to the cognitive, linguistic, and socio-emotional development of all children in Illinois. ISBE's Multilingual Department is focused on ensuring that students with diverse linguistic repertoires and those who may benefit from additional support have equitable access to academic instruction…

The purpose of this brief is to summarize some of the past exclusionary practices that resulted from low expectations for students with disabilities, and how those were addressed in policies related to standards-based reform. The brief is based on a comprehensive paper that takes a cross disciplinary approach to examining expectations for students…

The Illinois State Board of Education (ISBE) is committed to the cognitive, linguistic, and socio-emotional development of all children in Illinois. ISBE's Multilingual Department is focused on ensuring that students with diverse linguistic repertoires and those who may benefit from additional support have equitable access to academic instruction…

In this webinar, Dr. Carol Tomlinson of the University of Virginia presented the research base supporting the practice of differentiation and described the characteristics of effective differentiation. She led a discussion of how quality preparation can build and strengthen teachers' knowledge and skills in implementing differentiated instruction…

Alaska's Department of Education & Early Development shares a vision that all students can succeed in their education and work, shape meaningful lives for themselves, exemplify the best values of society, and be effective in improving the character and quality of the world about them. To support this mission, the Alaska State Board of…

This statewide Report Card to the Public is published in accordance with Alaska Statute 14.03.120 for the school year 2014-2015. Under state law, each school district also is required to report information about its performance. Public knowledge pertaining to the school system is an important part of Alaska's accountability system. This report is…

This statewide "Report Card to the Public" is published in accordance with Alaska Statute 14.03.120 for the school year 2013-2014. Under state law, each school district is required to report information about its performance. Public knowledge of the school system is an important part of Alaska's school accountability system. This report…

This "Report Card to the Public" is published in accordance with Alaska Statute 14.03.120 for the school year 2011-2012. Under state law, each school district is required to report information about its plans and performance to its community. This report includes a statewide summary of performance results. It reports the status of public…

This "Report Card to the Public" is published in accordance with Alaska Statute 14.03.120 for the school year 2012-2013. Under state law, each school district is required to report information about its plans and performance to its community. This report includes a statewide summary of performance results. Public knowledge of the school…

This appendix focuses on the descriptive statistics of the middle study schools that participated in the "Gaining Ground in the Middle Grades: Why Some Schools Do Better. A Large-Scale Study of Middle Grades Practices and Student Outcomes. Initial Research." This appendix contains the following figures: (1) Student…

Defines grade level as an age grouping that yields an achievement distribution approximating a normal curve, with the distribution average at grade level in a typical school. With an average teacher, an average child gains a year. Educators must accept this normal range of reading achievement and adjust instruction to it. Includes eight…

In the 2008-09 school year researchers from EdSource and Stanford University conducted a large-scale study of 303 middle grades schools in California. The team surveyed 303 principals, 3,752 English Language Arts (ELA) and math teachers in grades 6-8, and 157 superintendents of the districts and charter management organizations that oversee the…