When students first enter high school, the change can be overwhelming on many levels. All at once, or very nearly, they're dealing with an onslaught of new educational concerns, weighty academic decisions, different extracurricular options, unfamiliar teachers, and potentially bewildering social atmospheres. Meanwhile, former middle school…

The poor performance of students in America's urban high schools, both in absolute terms and in comparison with their more economically secure counterparts in suburban schools, is a critical issue for the country, and the opportunity for all students to learn mathematics has been heralded as the new "civil right." In a recent study of…

When most teachers hear the phrase "professional development," skepticism clouds their faces. But research-based professional development can provide interesting experiences and valuable content knowledge. The Research Experience for Teachers (RET) program, funded by the National Science Foundation, helps "facilitate professional development of…