This study explored individual differences in educational disadvantage-- deficits in formal and informal education in the school, home, and elsewhere--in the SAT test-taking population. Factor analysis identified six educational disadvantage factors--four concerning the students' schools and two the students' nativity and parenting--and one family socioeconomic status factor, race/ethnicity, high school grades, and SAT scores. The individual-differences perspective on disadvantage appears to be a viable one, and educational disadvantage seems to be a meaningful and useful construct. The following are appended: (1) Letters; and (2) Questionnaire.