Literal question
9. At any time since February 1, 1990, has [respondent] attended regular school or college?
Include only pre-kindergarten, kindergarten, elementary school, and schooling which leads to a high school diploma or a college degree.
If "Yes," ask -- Public or private?
[] 1 No, has not attended since February 1
[] 2 Yes, public school, public college
[] 3 Yes, private school, private college