What are the effects of the "blue eyes/brown eyes" racism exercise?
In addition to the descriptions of these particular students, at the site mentioned above by Kate Gladstone and also shown a bit in the documentary (see https://en.wikipedia.org/wiki/Jane_Elliott)

You might consider what's known from the broader set of studies using this type of manipulation. This rich literature is valuable for your question because the Blue eyes/Brown eyes study was more a demonstration than a study and has not been repeated much (see https://en.wikipedia.org/wiki/Minimal_group_paradigm)