The first science test administered in five years across the United States shows that achievement among high school seniors has declined across the past decade, even as scores in science rose among fourth-graders and held steady among eighth-graders, the U.S. Department of Education has reported. The falling average science test scores among high school students, announced Wednesday, appeared certain to increase anxiety about American academic competitiveness and to add new urgency to calls from President George W. Bush, governors and philanthropists like Bill Gates for an overhaul of American high schools. The drop in science proficiency appeared to reflect a...