Class of 2014, so presumably two.
I guess he had major hip surgery last year so will get a medical hardship, so should be 3 years.
"White appeared in seven games during the 2015-16 season, averaging 1.6 points and 1.6 rebounds. He had season-ending surgery in January.
He appeared in all 33 games as a freshman in 2014-15, averaging 5.0 points and 2.8 rebounds per game. In two years at Georgetown, he averaged 4.6 points and 2.6 rebounds in 40 career games."