Pedersen went to Red Mountain High School in Mesa, Arizona. She led her team to a 5A-DI state title as a senior. She set records for 5A with 2,611 points, 1,444 rebounds, 434 assists and 304 blocks.
USA Basketball
Pedersen was a member of the USA Women's U18 team which won the gold medal at the FIBA Americas Championship in Colorado Springs, Colorado. The event was held in July 2006, when the USA team defeated Canada to win the championship. Pederson has 12 rebounds in the game against Brazil. She averaged 6.0 points epr game over the course of the event. Pedersen continued as a member of the USA Women's U19 team which won the gold medal at the FIBA U19 World Championship in Bratislava, Slovakia. The event was held in July and August 2007, when the USA team defeated Sweden to win the championship. She averaged 2.8 points per game. Pedersen was named a member of the team representing the USA at the 2009 World University Games held in Belgrade, Serbia. The team won all seven games to earn the gold medal. Pedersen averaged 5.1 points per game, and was the team's third leading rebounder, with 6.4 per game. In 2010, she led the NCAA in scoring, assists, and rebounds. She was a top 10 draft prospect.
Stanford
At Stanford, Pedersen was a huge contributor; Tara VanDerveer has complimented her many times. In her freshman year, the team reached the final four, Pedersen being a huge contributor, averaging 12.6 points per game. She also averaged 8.4 rebounds a game. She was named Pac-10 freshman of the year. She also set a Stanford freshman record by starting all 39 games. They eventually lost to UConn in the final four, but Pedersen managed 17 points and 7 rebounds and received much praise from the fans. During her remaining years in college, the Cardinal reached the final four every single year, with Pedersen being a consistent stand-out contributor. UConn continued to be a huge barrier to success for them, but Stanford finally beat them on December 30, 2010. However, they then went on to lose in the final four to Texas A&M. Pedersen has set Stanford's career record in both games and minutes played, and she is seventh in the all-time points list.
Pedersen was born in Flint, Michigan on April 14, 1989 to Kelli and Gary Pedersen. Her father played basketball at Saint Mary's in California. Her family later moved to Fountain Hills, Arizona when she was six years old, where she still resides. She has one younger brother, Kyle.