Antonyms for "were the same class as" include "were in different classes than," "were not classmates," "were in separate grades," "were divided into different groups," and "were never in the same academic setting." These antonyms imply a sense of separation, distance, and difference, highlighting the diverse backgrounds, experiences, and identities of individuals. While being in the same class as someone can create a sense of camaraderie and shared experience, being in different classes or groups can offer unique perspectives and opportunities for growth and learning. Ultimately, both experiences are valuable in shaping our understanding of the world and our place within it.