...so there would have been no school report. She was afraid to tell her parents because it had happened at a party where underaged kids were drinking. (Although the article doesn't say this, she may not have wanted to involve the school in any way for the same reason.)
She told her husband that she had been a victim of physical assault 'early in their relationship, but not the details:
She married her husband in 2002. Early in their relationship, she told him she had been a victim of physical abuse, he said. A decade later, he learned the details of that alleged abuse when the therapist asked her to tell the story, he said.
...
Ford said she told no one of the incident in any detail until 2012, when she was in couples therapy with her husband. The therapists notes, portions of which were provided by Ford and reviewed by The Washington Post, do not mention Kavanaughs name but say she reported that she was attacked by students from an elitist boys school who went on to become highly respected and high-ranking members of society in Washington. The notes say four boys were involved, a discrepancy Ford says was an error on the therapists part. Ford said there were four boys at the party but only two in the room.
Notes from an individual therapy session the following year, when she was being treated for what she says have been long-term effects of the incident, show Ford described a rape attempt in her late teens.
In an interview, her husband, Russell Ford, said that in the 2012 sessions, she recounted being trapped in a room with two drunken boys, one of whom pinned her to a bed, molested her and prevented her from screaming. He said he recalled that his wife used Kavanaughs last name and voiced concern that Kavanaugh then a federal judge might one day be nominated to the Supreme Court.
https://www.washingtonpost.com/investigations/california-professor-writer-of-confidential-brett-kavanaugh-letter-speaks-out-about-her-allegation-of-sexual-assault/2018/09/16/46982194-b846-11e8-94eb-3bd52dfe917b_story.html