466. Column 13. Attended school or college any time since March 1, 1940.-Write "Yes" for a person who at any time since March 1, 1940, has attended, or been enrolled in, any school, college, university, or educational institution. Enter "No" for all others. Include attendance at a night school, extension school, or vocational school only if it is a part of the regular school system. Do not include correspondence school work of any kind.