It uses the actual variation comes to the writer's experience.
If you are looking based on their writing experience.
In these samples, length can readily be justified by the fact that these are writers who don’t necessarily fall into “typical” student categories but nevertheless are applying to graduate programs or for scholarships. To be competitive, these writers decided to stand out by telling their stories in a way that they hoped would set them apart from, and above, the crowd. A common thread linking these diverse writers is their obvious confidence that:
My love of reading and writing enriched my life in so many ways.
The lengthy sample essays in the pdf link below showcase writers who, to varying degrees, took chances or simply reached higher. Not only did these writers compose lengthy essays (still within prescribed word-count limits), but in many cases they did something bold with content, form, or personality.