She attended West Mifflin Area High School in Pennsylvania. Where she played basketball and soccer. She led the team to the W.P.I.A.L (Western Pennsylvania Interscholastic Athletic League) basketball district finals in her junior year. The team lost a close game 81-78 to Blackhawk High School in Triple Overtime. Tanisha fouled out in the beginning of the final overtime. She led the game with an astonishing 51 points! She went on to lead her team to the next seasons finals once again against Blackhawk where she would not let this title slip out of her grasp. She led the team in a 63-53 victory. She went on to take her team to the state finals where they lost a close game to Allentown Central Catholic high school 56-45. The teams record was 31-1. Their only loss in the state finals. She went on to become the PA player of the year.
Wright helped the Seattle Storm win their second championship in 2010.