Conversation so far:
Did Marissa Mayer go to school?
Marissa Mayer is a graduate of Stanford University
Did Marissa Mayer just receive a PHD?
Marissa Mayer graduated from Stanford with a BS in symbolic systems in 1997 and an MS in computer science in 1999

Question: Did she go to any other schools other than Stanford?
Self-contained rewrite: Did Marissa Mayer go to any other schools other than Stanford?