During its first decade, Ensley principal Roy Dimmitt compiled detailed statistical data on Ensley's male students in order to determine how much cigarette smoking affected their "efficacy". He found that the students who smoked were consistently outscored by their non-smoking counterparts.
During its initial decade, Ensley principal Roy Dimmitt compiled statistical data on male students' performance in order to determine the impact of smoking on their academic achievement. He found that smokers consistently performed worse than non-smokers.