QUOTE=SKGNYC predominant lean among students.
[/QUOTE]
If true (may not be, if those just happen to be the more vocal/visible students), that may be an issue for a student who appear non-white (you did not mention what mix of “biracial” the student is, or whether the student appears non-white).
A multiracial student who appears white may get to hear what some people really think but try not to say when non-white people are present: http://theundefeated.com/features/isaiah-hartenstein-nba-draft-2017/