When it comes to discussing classmates or individuals who shared the same class, there are plenty of synonyms to choose from. Some common alternatives to "was the same class as" include "was a classmate of," "shared a class with," "was in the same course as," and "attended the same class as." Other possible options might include "studied alongside," "learned with," "participated in the same lessons as," or simply "was in the same class." Ultimately, the choice of synonym may depend on the context of the sentence or the individual's personal style, but all of these options can effectively convey the idea of sharing an educational experience with someone else.