Robinson played for South Grand Prairie High School in Grand Prairie, Texas, where she was named a WBCA All-American. She participated in the 2000 WBCA High School All-America Game where she scored eleven points, and earned MVP honors.
Robinson was a member of the USA Women's U18 team which won the gold medal at the FIBA Americas Championship in Mar Del Plata, Argentina. The event was held in July 2000, when the USA team defeated Cuba to win the championship. Robinson was the leading scorer with 15 points in the opening game against Mexico. She averaged 8.4 points per game and was the third highest rebounder on the team with 5.2 per game.