Peter graduated high school in The Amazing Spider-Man #28 (1965) and college in ASM #185 (1978) : r/comicbooks
Amazon.com: The Amazing Spider-man Annual #28 1994: David Michelinie, Tom Brevoort and Mike Kanterovich, Eric Fein, Steven Butler, Anthony Williams, Mark Tenney, and Larry Alexander: Books
Amazing Spider-Man (1963-1998) Annual #28 - Comics by comiXology
02821 AMAZING SPIDER-MAN #28 BENGAL VAR Back Issue - Amalgam Comics & Coffeehouse
The Amazing Spider-Man Annual #28 Value - GoCollect