Interesting link. Goes to prove that test prep in the easily measurable metrics (enrollment in prep courses, tutors) has negligible effects. Somehow the writer

Interesting link. Goes to prove that test prep in the easily measurable metrics (enrollment in prep courses, tutors) has negligible effects. Somehow the writer manages to waive away all unequal environmental factors due to income with that one proof, (even turns it on its head: "black people actually do more test prep!") which speaks volumes about his agenda.