Education
Norma was educated at Brisbane State High School.
Norma was educated at Brisbane State High School.
At the 1960 Summer Olympics she was disqualified in that event but finished 15th in long jump. In the 1956 Australian championships she placed 4th in 100 yards and 3rd in 220 yards. In 1960 she placed 6th in 100 yards, 3rd in 220 yards, 3rd in long jump and 4th in 4x100 m relay.
In 2009 Croker was inducted into the Queensland Sport Hall of Fame.