This article traces the rise of anxiety among American high school and college students since the late 1950s, with particular focus on the decades before 2000. Evidence for rates of change comes from anxiety tests administered during the period, as well as a variety of psychological studies. The article also takes up the issue of causation, highlighting the extension of counseling services and psychological vocabulary that affected evaluations of nervousness; the impact of negative developments like crime rates and growing family instability; and the results both of changes in educational patterns--such as more frequent examinations--and significant shifts in student goals and expectations. Finally, the article touches on efforts to mitigate anxiety, such as expanding student services, and also their limited impact.