When I see these incidents, I think about addressing racial climate. If there is history of exclusion, there needs to be communication. Students react to their environment and that is something that is passed down. There can be embedded issues in ongoing practices. There can be tokenism, alienation, lack of interaction.
Perceptions can determine climate.
Correcting misperceptions can be a fruitful approach. Discrimination at student and administrative levels affects psychological climate. Intergroup interaction is a factor. Communication is most important - needs to happen throughout students and administration. Lip service doesn't work.