The length of your MBA essay will depend on the specific school; some schools allow up to 500 words, while others want a very short and to-the-point response of 150 words. The length set out by the MBA program you’re applying to is an important consideration, and it is not a good idea to go over the word limit. Admissions committees want to see that you can follow instructions and are capable of writing succinctly. It will not reflect well on you to go over the allowed word count.