In general, it's believed to be a coping problem that is either learned (through life situations) or genetic (in your DNA) or both. If you're looking for a complete anxiety profile and treatment ideas, make sure you take my free 7 minute anxiety test.
The average high school GPA of the admitted freshman class at Virginia Tech was 3.95 on the 4.0 scale indicating that primarily A-students are accepted and ultimately attend.
The average GPA at Virginia Tech is 3.65. This makes Virginia Tech Strongly Competitive for GPAs. (Most schools use a weighted GPA out of 4.0, though some report an unweighted GPA.