CSS family data: Never-married parents / Undocumented custodial parent

Her unweighted GPA is 4.0 and she’s currently Top 5% of her class (actually, top 3%, since she’s #8 out of 292 students).
As for your other questions, yes, I’m fully aware of the costs. I’m a Journalist (with emphasis on Research), so I value due diligence.
Thank you for your input and your help!