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...

  • Before taking a Bell Curves GMAT preparation course, I took the GMAT and received a score of 430. To get into the school I was interested in, I needed to raise my score at least 70 points. After taking the Bell Curves GMAT prep course, I raised my GMAT score 100 points to a 530. Thanks to this course, I have been accepted into Georgia Southern's MBA program where I will be attending classes this fall. The instructor was available and helped focus on my areas of weakness. The online materials provided with the Bell Curves prep course were extremely effective, since they were very similar to the questions on the GMAT itself.

  • I'd like to thank you [Jennifer O] for your help.  My SAT score improved from a 1560 (math-500, critical reading-560,writing-500 with a 6 on the essay) to an 1880 (critical reading-660,writing-620,math-600 with a 8 on the essay). I'm really happy with the improvement  Honestly, I didn't expect an almost 100 point improvement in every section. It went really well, and I just want to say thank you again.

  • Studying for the GMAT was a long and often a trying journey for me. However, being on the other end of the process now, I see why people say that the key to success is consistency and perseverance. One-on-one tutoring helped me to hone in on gaps in both my knowledge and test taking strategy. Being able to identify and fill in these gaps gave me the confidence to achieve my goal score.

  • After taking a full GMAT course + private tutoring with Hany ElDiwany in the fall, I have nothing but great things to say about Hany's teaching/tutoring skills!!! He's very patient, quickly targets weak areas and follows up with various on the spot drills and questions to shore up those weaknesses. Hany is great at creating his own questions and strengthening & weakening retired OG quant questions to reach someone at the level they're at. Very unique skill set I must say. In addition, Hany was always available to answer questions via email 24/7 ( even while he was on vacation). Overall I can't ask for better service than that. Great experience all around!!

  • 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!

  • Akil was the best because he had confidence in me, and required me to give my best. He helped my score improve 70 points, taught me on speaker phone when morning sickness kept me home, and kept the entire class laughing while navigating the stressful b-school process. Bell Curves endorser for life.

  • Hello, this is your student from last summer, Jennifer, from Columbia University's Mellon Mays program. I'm just writing to let you know that, after getting accepted to 5 English PhD programs for Latina/o literature and spending about a month torturing myself over a decision, I finally chose to go to the University of Michigan this fall on the Rackham Merit Fellowship. Taking that GRE prep course with Bell Curves was not only ridiculous amounts of fun, but also totally stress- and anxiety-reducing and I felt totally prepared walking into the exam. Seriously, thanks for all your help -- and I hope next year's Columbia Mellons have at least half as much fun as we did. :)

  • Thank you so much for your visit today. Your presentation made it evident that our school needs to plan more effectively to incorporate strategies and awareness around the SAT and ACT. The helpful test taking strategies made our students realize they can achieve a higher score simply through familiarity with the test structure and scoring practices.  This workshop helped reduce test anxiety and gave students the information they need to strategically plan and set goals for attending the college of their choice. Your participation with our staff and students helped solidify the college going culture that we are trying to build at our school!

  • 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!

  • 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.

  • When you put them all together, 650+580+570=1810! YEAH! Thank you for putting up with my ridiculous schedule this summer and thanks for the classes and diagnostics and chance to better my grades!

  • It's all over!!! I got a 750!!! Sooooo happy! Couldn’t have done it without all of your help. The class was amazing...your advice, insight and feedback were priceless. The best money I’ve ever spent. Thanks so much!

  • Bell Curves is nothing short of AMAZING! After struggling with the GMAT twice and repeated courses with another test prep company, I was almost convinced I had reached my apex. It wasn’t until I began working with Akil Bello that I began to see major results. The Bell Curves' method helped my score jump 130 points and I couldn’t be more grateful. Bell Curves is hands down the way to go if actionable solutions to your GMAT woes are what you need!

  • Bell Curves helped me ace the ACTs and now I will attend my first choice college.

  • I spent a small fortune with the so called top GMAT prep companies on the street but they all fell short on helping me make any improvements on my score.  Then MLT MBA Prep staff recommended a tutor from Bell Curves.  Nothing quite comes close to the level of individual attention and improvement I received from my private tutoring sessions.  My score improved 150 points in just a few sessions. Unlike other companies, my tutor was able to hone in on my issues and quickly fix them.  He went above and beyond to help me achieve my target score.  Additionally, the Bell Curves books not only teach you the concepts you need to know but they show you the techniques to beat the exam. If you are shooting for a top GMAT score, Bell Curves is the bar none the best.

  • 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.

  • My daughter is so thankful for Bell Curves. She recently told me that Bellcurves is helping her with school and vice versa. I noticed that her quiz/test scores at school are more consistent and improved this year. Many thanks again! :-)

  • 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.

  • 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.

  • I had pretty much given up on the GMAT after doing a full-length course and a few hours of tutoring with 2 other test prep companies. After bombing the GMAT my first time (500, Quant 27, < 20%), a tutor from one of the “top” test prep companies reasoned that math was not my forte and that I should focus solely on the verbal to increase my score. I soon realized that he was a waste of my time and money because not only was his advice crazy, we had no formal meeting place, so tutoring sessions at Starbucks weren’t really effective. Fast-forward to me walking into the BC office a total anxious wreck. I purchased tutoring hours and began working with Ajani, who, let me just say, is nothing short of amazing! After reviewing my work from just 1 practice test, he was able to identify my weaknesses and repeated mistakes. Ajani was super patient with me and never made me feel like the idiot I was making myself out to me. Even with my stupidest mistakes, he would find a takeaway point from it…AMAZING! The BC books and online material were also extremely helpful. From the books I learned new, but really simple and reliable ways to attack each question type. The online CAT quizzes and exams were the most realistic practice questions that I’ve seen. On my actual exam, for some of the questions, I was thinking, “oh…this is just like such and such question from the BC material.”One of my biggest hurdles was my fear of the exam; working with Ajani and practicing on my own with the BC material really helped overcome this fear and I walked into the exam feeling confident…for the most part. All in all, my BC experience was beyond worthwhile. I regret not starting my prep with them initially. I truly believe that I would not have been able to conquer the GMAT without them. Final score – 650…got the horrendous quant raw score up to 42.

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