[haltingthoughts]

What replaces it that is better? Inflated grades for the privledged? AP classes? Extracurriculars? Very easily biased and noisy interviews or essays?

Test prep accounts for a small portion of test score differences and minorities are more likely to use test prep.

[Latteland]

Depends on what you mean by minorities but prepared minorities do use test prep. Poor black kids at disadvantaged high schools in my experience never did.