Is Harvard practicing race discrimination?

Is Harvard practicing race discrimination?
Harvard sends recruitment letters to African-American, Native American and Hispanic high schoolers with midrange SAT scores, around 1100 on math and verbal combined out of a possible 1600. Bottom of Form

Asian-Americans only receive a recruitment letter if they score at least 250 points higher — 1350 for women, and 1380 for men.

The most recent "admitted class" is Harvard's most diverse class yet. More than 15 percent of its members were African-American, nearly 23 percent were Asian-American, and around 12 percent identified as Hispanic or Latino.
Is Harvard practicing race discrimination?
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