This is true, but also doesn't conflict in any way with the 20% first-generation statistic. After all, the corollary of "20% first-generation" is that the vast

This is true, but also doesn't conflict in any way with the 20% first-generation statistic. After all, the corollary of "20% first-generation" is that the vast majority of Harvard students do have one or more parents with a college degree.