Speaking from experience, I'd say take the GED.

[She's had a few reasons to not be in school, but the final nail in the coffin was probably... the literal nail in her fake coffin when she fake died. Explaining that to the admissions office at Gotham U was fun.]

I guess there's some nice parts about high school, though... [Give her a second to think about her own experiences.] Yeah, no. Never mind. Definitely drop out.