Maybe unintentional (and not saying if this is good or bad) but it is a little self-selecting: by asking you can tell "Ok so candidate x has had this kind of ed

Maybe unintentional (and not saying if this is good or bad) but it is a little self-selecting: by asking you can tell "Ok so candidate x has had this kind of educational background and at least has heard of the name which might correlate with traits y or z"