Gibson averaged 22 points and 12 rebounds in six Wisconsin Interscholastic Athletics Association tournament games. Jefferson, which finished the season 24-2, earned its first trip to state under Gibson. While at Jefferson, she had 1,518 career points, averaging 18.5 points and 9.4 rebounds as a senior. She had a single game-high 35 points against Delavan earlier in the season. Gibson was a 2005 McDonald's All-American finalist.