This article reports on the findings of a recent study that examines one of the most enduring debates in science instruction--whether "depth" or "breadth" of knowledge is most important. Its authors come down on the side of depth. The study found that high school students who focus more intensely on core topics within their…

Interest in online school courses is surging nationwide, especially at the high school level, according to those who follow trends in educational technology. Much of that demand is coming from those who enroll in just one or two a year to meet a particular academic need or resolve a scheduling hang-up. Online courses have become so popular, in…