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<p>I can think of only a single engineer who had already completed his degree who, in my experience, acted this way. Said individual insisted people continue emailing him at his @alumni.mit.edu email address even while attending graduate school at another institution for 4 years. Other than him, though, no one really cares in the real world more than just being curious about your background. I’ve never seen anyone, having already been hired (by a company) or admitted (by a graduate school) who is ostracized for going to a perceived “lower” school.</p>