Realistic novels about academia (that are Not just about quitting!)

Almost everything about Wallace is at odds with the Midwestern university town where he is working uneasily toward a biochem degree. An introverted young man from Alabama, black and queer, he has left behind his family without escaping the long shadows of his childhood. For reasons of self-preservation, Wallace has enforced a wary distance even within his own circle of friends—some dating each other, some dating women, some feigning straightness. But over the course of a late-summer weekend, a series of confrontations with colleagues, and an unexpected encounter with an ostensibly straight, white classmate, conspire to fracture his defenses while exposing long-hidden currents of hostility and desire within their community. 

Three years into her graduate studies at a demanding Boston university, the unnamed narrator of this nimbly wry, concise debut finds her one-time love for chemistry is more hypothesis than reality. She's tormented by her failed research--and reminded of her delays by her peers, her advisor, and most of all by her Chinese parents, who have always expected nothing short of excellence from her throughout her life. But there's another, nonscientific question looming: the marriage proposal from her devoted boyfriend, a fellow scientist, whose path through academia has been relatively free of obstacles, and with whom she can't make a life before finding success on her own. Eventually, the pressure mounts so high that she must leave everything she thought she knew about her future, and herself, behind. And for the first time, she's confronted with a question she won't find the answer to in a textbook: What do I really want? 

(Although this is about an undergrad, I include it in this list because it perfectly captures the international student perspective.)

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The year is 1995, and email is new. Selin, the daughter of Turkish immigrants, arrives for her freshman year at Harvard. She signs up for classes in subjects she has never heard of, befriends her charismatic and worldly Serbian classmate, Svetlana, and, almost by accident, begins corresponding with Ivan, an older mathematics student from Hungary. Selin may have barely spoken to Ivan, but with each email they exchange, the act of writing seems to take on new and increasingly mysterious meanings.