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Private GRE Tutoring That Works

Brutally Honest Tutoring

Our online GRE tutors go beyond shortcuts. We identify what’s really holding you back and help you build durable skills.

Custom-Built Study Plans

No cookie-cutter curriculum: Every private GRE tutoring plan is built around your strengths, weaknesses, and score goals.

Teachers, Not Salespeople

Our GRE tutors have scores in the 99th percentile and decades of teaching experience.
We care about results, not sales.

How We Think. How We Teach.

How GMAT Ninja Thinks About the GRE

We built GMAT Ninja to be the type of team we’d trust with anything.

We may have “GMAT” in our name, but we’ve been teaching the GRE just as long — and just as seriously. Our private GRE tutors don’t believe in gimmicks, shortcuts, or hollow guarantees. Instead, we help you actually improve your GRE score through hard work, sharp insights, and a custom-built study plan designed around the way your brain works.

Our experienced online GRE tutors dig deep to uncover what’s really holding you back, assign targeted homework, and track your progress every step of the way. No tricks. No false promises. Just personalized support from educators who know the GRE inside and out.

Meet the Team

Charles Bibilos Charles Bibilos is one of the world’s most accomplished independent GMAT instructors

Alex Cotton has 15+ years of tutoring experience and a perfect score on the GMAT verbal section

Harry Duthie Harry is a Scotland-based former semipro rugby player with 770 on the GMAT

Vlad Galeev has earned a GMAT score of 770, and has tutored students in economics, English, and chess, in addition to the GMAT, GRE, and EA

Dave Goldstein has taught test prep since 2004, winning teacher-of-the-year awards from two major test-prep companies before GMAT Ninja

Tim Hesler has a 780 on the GMAT, along with 99th-percentile scores on several other standardized exams

John Michael MacDonald is one of the world’s most versatile teachers, with more than two decades of experience teaching standardized test prep, history, literature, and theater

Mike Maietta is the proud owner of a 790 and is an experienced teacher, writer, and management consultant

Dana Stepleton is a West Point graduate and former Army captain who has earned a 780 on the GMAT

Shaun Veran is 99th percentile GMAT scorer who now brings his startup smarts to test prep

Bransen Vilardo left banking to teach and has scored a 770 on the GMAT

We’re proud test-prep nerds and lifelong educators, led by a founder with a perfect GRE score and 25+ years of GRE teaching experience.

More importantly, we’re kind, patient humans who care about results. If you’re ready to study hard and think differently, we’re ready to help.

What Makes Us Different

experience

With over 100 years of combined teaching experience, our team of online GRE tutors has helped students gain admission to top graduate programs across the globe — from MBA programs at HBS and INSEAD, to MFin and MiM programs in Europe, to PhDs in the sciences and humanities. Many of our tutors have earned perfect scores on the GRE, and every one of us has the track record to prove we know this exam inside and out.

No other online GRE tutoring team matches our mix of skill, honesty, transparency, and results.

Expertise

We’re one of the few major test-prep companies founded and run by a lifelong educator, not a marketer or entrepreneur. Our tutors are obsessively focused on helping students think better, not just memorize tricks.

If you’ve tried courses, books, or apps and still feel stuck, we’ll show you exactly why those things didn’t work for you — and what to do instead. For some students, that means fixing shaky quant foundations. For others, it’s building better reading habits, managing test anxiety, or simply learning how to avoid unforced errors. Whatever your situation, your private GRE tutor will help you see what’s really going on and chart a clear path forward.

Versatility

We can’t stand templates, gimmicks, or one-size-fits-all study plans. Every student’s brain works differently, so every tutoring plan we build is unique.

Our private GRE tutoring sessions are designed to uncover what’s actually holding you back — even if it’s not what you expected — and to create targeted strategies that build new habits. Whether you’re a first-time test-taker or you’ve already endured the GRE multiple times, we’ll adjust every lesson and homework assignment to meet you where you are.

Honesty

We won’t promise miracles, but we’ll always be honest about what’s working, what’s not, and what you need to do to reach your GRE goals. That often means 15+ hours of homework a week and a willingness to change the way you think about standardized tests.

We’ll also never sell you tutoring “packages” you don’t need. You’re free to stop at any point if you’re not making progress, though most students find that our blend of structure, accountability, and insights is exactly what they’ve been missing.

And because it all comes from the heart, we hire tutors who are genuinely kind, thoughtful people. We’ve raised tens of thousands of dollars for nonprofit organizations, and we provide an unparalleled collection of free GRE and GMAT resources so anyone can benefit, regardless of their financial situation.

If you’re ready to study hard and think differently, we’re weirdly good at this—and we care more than most.

What Our Students Say

Feedback that Speaks for Itself

GRE Tutoring Prices

Clear, Simple, and Honest

GRE Tutoring with a GMAT Ninja Tutor

$320

For each hour of tutoring

1:1 Private GRE Tutoring

Experienced GRE Tutors

99th Percentile Scorers

Online & Flexible

GRE Tutoring with charles Bibilos

$420

For each hour of tutoring

~25 Years of GRE Tutoring

Perfect GRE Scores

The Original GMAT Ninja

Outstanding Dad Jokes

Each tutoring session lasts 2 hours. We’ll request payment for the first session in advance, and for any further sessions, you’ll pay as you go after each session.

We don’t offer packages or bulk discounts, because we strive to minimize the number of sessions you’ll need — and we never want you to pay for more tutoring than you’ll use.

Give the GRE the Business

If you put in the effort, we handle the rest with custom private tutoring

What Our GRE Students Ask

PersonAlized Tutoring FAQs

The quick answer is that the structure of tutoring depends entirely on each student’s strengths, weaknesses, interests, and needs. You’re (presumably) looking for a tutor because you want somebody who will efficiently teach you exactly what you need, rather than wasting time with a one-size-fits-all class.

Keep in mind that each of the exams we tutor (GMAT, GRE, & EA) are extremely nuanced. We’ll look for the most efficient ways to help you gain points, and that inevitably means different things for different people.

For a deeper look into our tutoring process, check out this video. The examples used are for the GMAT, but apply equally to the GRE:

For the GMAT, EA, and GRE, we offer dozens of sets of practice questions that we’ve developed over the years, but these sets are only designed as supplements for students who need extra work on certain question types. Each exam has its own unique question styles, and there’s absolutely no substitute for using official practice questions.

So the answer is yes, we do provide our own practice materials to our students. But we would be crappy tutors if we pretended that our materials were somehow better than the materials developed by the people who actually write each of the exams.

Nearly everybody asks this question, and our answer is always the same: it depends.

If, for example, you’ve never touched a GMAT prep book but dream of admission to Harvard or Stanford, then you might need more tutoring than somebody who is just fine-tuning her approach after months of self-study. If you’ve taken only a single practice test and your score was significantly lower than your goal, then you might need a whole lot of time with a tutor.

There are no shortage of other wildcards: everybody improves at a different pace, some students are better about doing homework than others, and some applicants have set more challenging score goals than others.

So we know that the answer is unsatisfying, but until we know a lot more about you and what you’re trying to achieve, we can’t predict how much tutoring you’ll need. Sorry.

You’re persistent, huh? We like that.

This might be too generic to be helpful, but if you’re looking for improvement on every section of the GMAT — and if you’re able to keep up with our recommended workload (~15 hours per week, with two-hour tutoring sessions roughly once a week) — then it’s reasonable to expect your learning curve to “flatten out” after about 12 weeks.

Here’s the problem: your learning curve might flatten out exactly at your goal score, or it might flatten out long before you reach your target score. Or if you’re really lucky, you might even overshoot your score goal if you study for 12 weeks. So it isn’t unusual at all for a student to reach their goal in less than 12 weeks, or for us to discover that it’s going to be a long, hard, uncertain fight to achieve a particular score.

We can promise this, though: we’ll provide honest assessments every step of the way, even if it’s not what you want to hear. So if you start working with us, we’ll do everything we can to make sure that you understand where the process is headed, and what the prognosis is for improvement.

This is a big part of how we’re different from other tutoring companies: all of our tutors are trained to the same ludicrously high standards, and we all collaborate frequently to make sure that we continuously improve as tutors. We all use the same materials and employ the same philosophies, and we’ve all trained — hard — to become nimble in our approach to tutoring. We’re also painfully selective in our hiring process: in our most recent hiring rounds, we extended offers to four tutors out of more than 3000 applicants.

Sure, we all have different personalities, but we work tirelessly to be similarly great at our craft, and we’re as unified as a collection of tutors possibly can be.

In other words: if you think Charles has some secret sauce as a tutor, rest assured that he has already shared every bit of it with the rest of the GMAT Ninja team.

Beyond GMAT Ninja Tutoring

What else can we do for you?