Then when allowing them actively worked to limit entrance.
Finally they all operate with legacy admissions so the racist bans on applicants have a long tail
The school in question never formally disallowed blacks.
"Yale’s first black graduate was Courtland Van Rensselaer Creed, who received his medical degree in 1857 and went on to have a prominent practice in New York City"
Then when allowing them actively worked to limit entrance.
Finally they all operate with legacy admissions so the racist bans on applicants have a long tail