Excellent! 710 (49Q 37V)

ManhattanGMAT is excellent! I started my 9-session class in January with Hemanth as my instructor. He was an excellent instructor and went through everything thoroughly.

My quant improved a ton - in my diagnostic exam, I took 10 minutes over the 75 minute time limit to finish the quant sections and only got a 43Q (70th percentile). On test day I got a 49Q (85th percentile)! MGMAT is known for extremely difficult quant problems, especially at the 700+ level.

My verbal did not improve from my diagnostic exam. (I am a native speaker). In my diagnostic exam I got a 41V but on test day I got a 37V. I am not sure why this is as I have scored at least a 38V or higher on all of my practice tests. I do wish that the MGMAT verbal guides had multiple choice questions in the back (to simulate test questions) instead of the short answer questions that they currently have.

In total:
GMAT Diagnostic Exam: 700 (43Q 41V)
Test Day: 710 (49Q 37V)
+10 Points

In addition to the class syllabus, the class provides what is called a "study organizer", which details the exact problems that you need to do for homework for every day of the 9 week class. The study organizer includes what is assigned in the syllabus, as well as additional problems. I would say that I averaged about 25 hours of work a week on this course (3 hrs class + 21 hrs HW). It is a ton of work, but it is great!

The NYC location also provides a testing center that is pretty warm, but good for taking practice exams and studying.

A serious suggestion: The practice exams really need to be improved.
1. At the higher levels (700+), the quant portion of the MGMAT CAT exam will give you 3-4 probability / combinatorics questions. In reality you may see 1-2 of these problems on exam day.
2. The verbal portion of the MGMAT CAT exams will front-load the RC and CR questions, and you will usually finish all of the RC questions at around question 25-30. In reality it is more spread out. This is important for timing. You may find yourself finishing early on the CAT exams because the last 5-6 questions are SC questions, but on test day you may not have enough time if your verbal section ends with 4-5 RC or CR questions.
3. If you are a high scorer (700+), the later CAT exams will give you more 600-700 level questions, since you would have exhausted all of the 700 level questions in MGMAT's question bank. For example, I scored 700+ in my 1st, 3rd, 4th, and 5th CAT exams. In my 6th CAT exam, the last 13 questions in my verbal section were of 600-700 level. I got them all right, and I got an inflated score. In reality, the questions will be about 700+ level difficulty if you are scoring this high.

If MGMAT's CAT Exams are the best on the market (besides GMATPrep), then I really don't want to think about how bad CAT Exams from other providers are.