She played college women's volleyball at Penn State University.

During her four years at Penn State, the Nittany Lions posted a stunning 142–5 record (.966), including a perfect 102-0 streak that spanned three seasons, captured the 2007, 2008 and 2009 NCAA titles, advanced to the 2006 Elite Eight and won four Big Ten Conference titles.

She finished her career in 13th place in hitting percentage with .336 and blocks with 448, fourth in assists with 5,800, and fifteen with 465 sets played.

[2] Glass won the gold medal at the 2014 World Championship when her national team defeated 3–1 to China.

[4] Glass has played for the United States women's national volleyball team in Rio that won a bronze medal and was named Best Setter.