Possible Clues:

• I.M. Pei alma mater
• Mystery Hunt sch
• School in Cambridge, MA
• Buzz Aldrin alma mater
• German preposition
• 'Good Will Hunting' setting, briefly
• Sch. where Buzz Aldrin got a doctorate
• Alex Doonesbury's school, for short
• 'Good Will Hunting' locale
• STEM-focused sch. in Cambridge