I'm looking at onset age of mental illness (particularly schizophrenia and schizoaffective disorder) and ability to attain various levels of achievement.
Concerning your interest in attained levels of achievement for persons with serious mental illness, I just published a book chapter where I identify some 33 doctoral level mental health professionals who have publicly identified themselves as being in recovery from serious mental illness. The reference is: Frese, F. (2015). Advocacy, stigma, and self-disclosure. In E. Bromet (Ed.), Long-term outcomes in psychopathology research: Rethinking the scientific agenda (pp. 227-237). New York, NY: Oxford University Press.
From "A Diagnosis of Mental Illness Need Not End a College Career":
"A recent survey reports that 47% of adults living with schizophrenia drop out of college, compared to the 27% college dropout rate in the U.S. overall. Another study reports that students diagnosed with bipolar disorder are 70% more likely to drop out of college than students with no psychiatric diagnosis..."