Ohlendorf said the school is not naming the student, citing privacy laws.
"We respect her privacy and appreciate her cooperation during our review," Ohlendorf said.
The ex-student reported the former relationship to the school in late October, she said, leading to Kearney being placed on leave in November.
The school said the athlete was an adult when the relationship took place and it had no information that Kearney had any other similar relationships.
The Longhorns' indoor track season begins on Saturday.