I was recently told that in many schools in the US (maybe other countries too), the minimum grade for a graduate course is B or B−. Meaning that B is considered as a passing score. I would like to know whether this is true. Why should it be the case? Does this mean that grading in graduate school is easier?

  • Easier than what? Are you saying you think a B is too low to count as a passing grade, or that it is very high and even lower grades should also count?
    – BrenBarn
    Commented Oct 29, 2014 at 4:55
  • Easier than Undergraduate grading where the lowest grade is F and passing is C- or C depend on the university. I am thinking B is a high grade to be considered as a passing grade so does that mean there is no C, D or F in graduate schools?
    – user59419
    Commented Oct 29, 2014 at 4:58
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    Relevant PhD comic
    – gerrit
    Commented Oct 29, 2014 at 15:40
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    I can't speak for every grad program in every school, but at the end of my program myself and most of my cohort got together for a party. Grades came up and we discovered that pretty much everyone in the cohort was given an A for every class, the WORST anyone got was a B in two classes over the course of the 2+ year program. Of course, it's possible someone had lower and didn't want to be honest about it, and we were also the set of students who were still LEFT at the end, but... I personally felt grading was easier. I had a 3.4 GPA in undergrad, 4.0 in grad school. Commented Mar 23, 2016 at 16:41
  • I'd also say in my experience grad-level professors / teachers don't seem to CARE about grades as much as undergrad professors / teachers. For the most part they care that you are there doing what needs to be done, and most people in grad school are there paying out of their own pockets (grants aside) to do what needs to be done. It's a bit tougher to get into grad school as well, so the sort of lazy parents paying for everything party all the time undergrads get filtered out. A bit. Commented Mar 23, 2016 at 16:45

5 Answers 5


In some sense grading may be "easier", but it's also just that the effective grading range is compressed, and that grades per se matter less than in undergraduate classes.

In many graduate programs, getting a grade lower than B (or even A-) is considered a warning that you need to seriously knuckle down and start doing better. To take a random example, UIUC has a campuswide minimum GPA of 2.75 (B-), but most departments set higher minimums (as high as 3.25, or B+) Here's a relevant quote from an old grad school blog post:

My first semester in grad school, my M.A. advisor laid it out for to me: "If you get a B in a grad school class, you should ask the professor whether you should consider dropping out of the program. If you get a C, don't bother asking."

What this means is that the range of grades in grad school is effectively compressed, going from A to C instead of A to F. Getting a C in a grad school class is, in many cases, practically equivalent to getting an F in an undergraduate class. This grade inflation probably has historical roots in a sort of academic politeness in which it became considered more and more insulting or embarrassing to give someone low grades.

However, it's not as significant as it may seem, because grades are typically much less important in grad school than in undergrad. In grad school (especially PhD programs) you are working much more closely with faculty and they monitor your progress at a much finer grain. It's not just about getting a good grade, but about conducting research, making progress on your degree milestones (e.g., writing an MA thesis or PhD dissertation), and so forth.

In grad school, your class grades are meant to be not just an evaluation of your performance in that class, but a signal as to whether you are developing the skills necessary to succeed in the program as a whole. It would be unusual (probably unthinkable) for a grad program to suddenly give someone the boot simply because their GPA dropped too low; rather, a series of low grades will lead to increasing concern from the faculty, with meetings, emails, etc., gradually escalating from "Is everything ok?" to "You need to start working harder" to "Get your act together or else".

I've known grad students who received multiple grades in the B range, and this is what happened to them; they were subjected to increasing pressure from the faculty, with increasingly more explicit suggestions that they could be kicked out of the program if they didn't improve their performance.

That said, it is true that in some cases grading in grad school can be "easier" than in undergrad. My personal experience has been that in some cases faculty members are willing to be somewhat more flexible on grades as related to the actual course content, as long as they are satisfied that you got what you personally needed from the class. For instance, if you are specializing in Topic X and you take a requred class in Topic Y intended to broaden your background, the professor may give you an A even if your paper in the class is only adequate, if the professor understands that that is not your specialization and you don't need to fully master it in order to succeed. The flip side of this is that if you take a class in Topic X (your specialty), the professor may hold you to a far more exacting standard, knowing that you really must be on top of that material.

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    This is really on point. One comment: every grade does come from an individual professor in the context of an individual course, which may be absolutely critical to the student's future work but also may not. If you get a C, I wouldn't bother asking the professor what she thought of your performance: clearly she thought it was miserably poor. Just because one professor thinks you suck does not necessarily mean you should drop out of a program. Commented Jul 9, 2015 at 20:51
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    @PeteL.Clark Though one addendum comment to your comment (in case anyone misreads it), two Cs from different professors means it's no longer them, it's you.
    – virmaior
    Commented Jul 10, 2015 at 10:41

I can tell you for a fact that people can get worse grades than B- in graduate courses. People can even fail in graduate courses. It happens pretty rarely, though, because the population of students in a graduate course are highly selected.

If you read other questions on this site, you'll see that graduate school admission is a strong filter: most people need to be both excellent and a little bit lucky to get in, because there are so many excellent students who want to go to grad school. That means most grad students are smart, hard-working, and ambitious enough to put in the work to deserve the grade. As for undergraduates in graduate-level courses: if they weren't willing and able to put in the work, why wouldn't they choose one of the easier options? Moreover, most schools allow students to drop a course without penalty early in the semester, and the people doing poorly are the ones likely to drop.

Now, grade inflation can certainly happen. But by the time you're dealing with graduate courses, usually the class is pretty much full of people who want to be there and are capable of making the grade.

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    I do not agree since students in the class come from different background and some of them know much more than others therefore this still can make a pretty wide curve. My question was why the very last person in the class receives B or B- and he/she is afraid that with this grade his funding is terminated.
    – user59419
    Commented Oct 29, 2014 at 5:20
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    @user59419 Why do you assume that somebody with the appropriate pre-requisites can't learn a B- worth of material?
    – jakebeal
    Commented Oct 29, 2014 at 5:23
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    @user59419 And as for why the person might be worried: if it's a subject critical to their research, even getting less than an A is a very bad sign that they may be unable to do the research in their plan.
    – jakebeal
    Commented Oct 29, 2014 at 5:25
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    @user59419 Regardless of the letter of the grade, the "very last person in the class" is in an unenviable position in a competitive field.
    – Fomite
    Commented Dec 22, 2016 at 8:02

Part of the answer is in disputing some assumptions in the question, as remarked upon to some degree in the other answers. That is, for one thing, graduate admissions are most often selective enough so that every grad student is probably able to do the work at a level that would, indeed, perhaps be a "B+" in "grading on a curve", if the population in the course were far less selective than it ... in fact... is. This is in contrast to the common conduct of undergrad courses, especially lower-division ones, where there is often no pre-filtering at all. The students self-select, and their own judgement may be flawed.

But then why might a "B+" be considered "a problem"? What is the "problem" if it's not "failure"? Well, it's not-at-all "failure" by undergrad standards, but that standard is far, far too weak for an apprentice professional. Unlike undergrad courses, where a "C+" may fulfill "a requirement", but absolutely not indicate competence, grad students need to be more-genuinely competent. A "B+" is an indication of some gaps in competence.

So, yes, those undergrad "C+"s are not evidence of "sufficient competence", at all. Indeed, that's why people who get that minimal "C+" in calc I invariably have terrible trouble in calc II, etc. The primary reason such grades are tolerated at all is that, in fact, much of the function of lower-division undergrad math is filtering, so that content mastery is nearly irrelevant in many cases.

Again, most often, grad students are not being filtered very much after admission, so the issue is genuine content mastery, not "getting by".


I think the idea is simply that people who get into graduate programs must have gotten A's or B's in nearly all of their undergraduate courses. So if graduate courses are graded in the same way as undergraduate courses, it makes sense that most of the students in them should get A's or B's. Meanwhile, since a C in an undergraduate course would be a strong strike against you for admission to grad school, it is also a strike against your continued enrollment in a graduate program.


It definitely depends on the program of study...I believe the grading system is harsher for people who study something career specific---AKA nursing, physical therapy, Occupational therapy, med school, law school, etc..These programs tend to have a lot more drop outs/people who are unable to maintain the 3.0 minimum...People who study something like a Phd in Sociology, philosophy, or an M.S in Biology usually get higher grades because these programs tend to put less emphasis on passing tests and put more emphasis on producing research... Which is very different from lets say law school, where there is a huge emphasis on grades and rankings...

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