Bell Curves has provided test preparation to thousands of students.
Here is what just a few of them have to say.


  • Hanna

  • Chawane

  • Eric

  • Hanan

  • Nelo

More testimonials from Bell Curves students...

  • Thank you so much! I feel like I have a game plan. The ten pages I did on perms and combs from the Quant manual have laid out quite a simple and clear foundation, so I look forward to my GMAT challenge!

  • Thank you for sticking by me, and for pushing me to do better. The Bell Curves team has been an invaluable asset. Not only have I gotten THE BEST assistance preparing for the GMAT, but I’ve also gotten help with other facets relevant to the B-School process. Thank you Maestro and the Bell Curves Team!

  • After 3 years of off and on studying, I finally beat the GMAT with a 160-point improvement! The best decision I made over the course of those 3 years was hiring Ajani Burrell to be my tutor. He taught me the ins and outs of the GMAT, from how to attack Data Sufficiency questions to how to effectively read Sentence Correction and Critical Reasoning questions. Most importantly, Ajani helped me to adjust my ingrained approach to each type of question so that I would be most effective in understanding and correctly answering the question. Ajani is the man! For anyone that's willing to work, Ajani will be your greatest asset. I highly recommend him to anyone who wants a great tutor. Thank you Ajani! Thank you Bellcurves!

  • Well, today was finally the day, and...I SCORED 710!!   I want to thank Bell Curves. Though I continued to use other study books, features of the Bell Curves site definitely made me more prepared. The CAT tests helped show how CAT scoring works, the review section helped me work on problem areas, I would have missed at least one question if I hadn't memorized the powers suggested. I could go on and on about how it's just a great site altogether.   I especially want to thank you Joe. You were always willing to help me with the many questions that I sent, you helped me find questions to target my problem areas, and you were very encouraging at the times when I couldn't hide my stress. I truly thank you. I could almost swear that at a stressful time during the test, I heard your voice telling me I'd be fine.

  • I have always found math intimidating, all the way through AP Calculus. So then, there it was, the math portion of the GRE, looming like a monolith between a PhD program and me. Luckily, the director of the Mellon Mays Undergraduate Program at Columbia University was smart enough to hire Akil Bello of Bell Curves test prep. Akil demonstrated all of the best qualities of a tutor: extreme patience, humor and unparalleled knowledge concerning the test at hand. Within a few short weeks I not only gained a greater understanding of the mathematical concepts tested by the GRE, but I also learned how to become a more efficient test taker over all, increasing my confidence and making test day a breeze. When faced with the daunting task of compiling my graduate school applications, it was a source of calm amidst the storm knowing that at the very least, I had the GRE in the bag.

  • The GMAT is the ultimate hurdle to b-school, but Bell Curves provides a solid and customizable blueprint that makes the hurdle significantly less daunting. Bell Curves provides whatever you need, and they have a talented team of standardized testing experts that will diagnose your learning style to give you the customized instruction needed to beat the GMAT. My score improved by 150 points!

  • I found out this week that I've been ACCEPTED into Wharton's MBA program for Executives!!! I feel like Bell Curves had a big hand in helping me prepare adequately for the GMAT. Thanks again.

  • Just wanted to send you guys a quick note to let you know that I was just admitted into Wharton!  Now I'm just waiting to hear back from HBS.  Thanks for all of the help you guys have given me to help make this a reality!

  • I took the GMAT again today (#5 I might add) and scored a 650!  This is a nice improvement over my highest score to date of 590.  I am pleased with the score and feel as though I did my best!!!  Thank you for all of your help man - I could not have done it without ya!!

  • Bell Curves taught me how to avoid the kinds of mistakes on the SAT that were keeping me from reaching my full potential. Bell Curves helped me push my score beyond my goal of 2300 points – a plateau I was having trouble reaching on my own. In short, Bell Curves was a GREAT help. I could not have done it without them.

  • I wanted to share the good news that I have been admitted to Stern, Booth and HBS! Thank you for all of your help with regards to the GMAT and your advice of when to begin to focus on applications. I know that my GMAT score was an important component of my application and without your help I may not have achieved the score that allowed me to be considered at these schools. I truly appreciate your assistance and I look forward to beginning my MBA journey soon!

  • Thanks so much for bringing Bell Curves to Atlanta. I am happy to report a 110-point increase in my score since taking your class! You guys rock!  

  • I began the Virtual GMAT Course with Yanique this evening. She is WONDERFUL!!! Thank you for the opportunity to work with such a gifted and patient instructor.

  • Bell Curves not only boosted my SAT scores, but also my confidence, by teaching me better ways to approach the test. The strategies I learned helped me immensely!

  • Enrolling with Bell Curves was absolutely one of the best choices I made regarding my business school applications.  I was able to raise my score from a 640 to a 710!  My instructor quickly and effectively determined my areas of weakness using Bell Curves’ innovative diagnostic tools. The Bell Curves curriculum is content-focused, which allowed me to truly understand the GMAT rather than try to game the system. If you want to maximize your return on investment, sign up with Bell Curves!

  • I had literally tried everything before working with Ajani. I self studied, took a class, and hired a tutor, all to no avail. Ajani was my lucky charm. After working with him, I got the score that I needed to get into Stern, Columbia, Booth, and Cornell...I even got scholarship money!!!!   Ajani is a gem and the Bell Curves method works!

  • 690!!!! 46 Quant and 39 Verbal……Yes that's right the GMAT is my B@$#...now! Up from a 5 freakin 30!!!! Thanks for all of the help!

  • Bell Curves has been more than just a GMAT prep company for me. Not only did I receive expert GMAT training that helped increase my score by 90 points, but I also received helpful insights into the overall MBA application process. These insights helped me establish a framework in which I was able to successfully be admitted into two of the top worldwide MBA programs.

  • I worked with Ajani Burrell as a private tutor and he was extremely personable, patient, and encouraging. Even when I reached my lowest point in the studying process, Ajani continued to provide crucial guidance to help me push towards reaching my target score. In the end, Ajani and Bell Curve's ability to provide me with a more structured preparation process made all the difference. After trying 2 other GMAT prep companies, Ajani and Bell Curves provided exactly what I needed to break 700 on the GMAT.

  • I just wanted to say thank you for all your advice on how I should prepare for re-taking the GMAT. I found the Bell Curves information and drills to be wonderful, and together with the Official Guide I was able to raise my score 70 points to a 700! Thanks so much!

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