Originally Posted by arlen1
No, they do suffer - they are deprived of an academic opportunity, and they do often suffer from under-challenge (there is a long, well-known, list: lack of organisational skills, perfectionism, inattention, etc. - there are posts here about this all the time.)

To be fair, we're talking about very different populations and strategies here. Sorting students into quartiles is very different from specific services for the right tail of the distribution curve. The top 1% would still be ill-served in a class for the top 25%.