Graduate Early from High School Prompt

Hi All,
I'm graduating early from high school because I think my high school isn't challenging enough.

This essay isn't very "flowery" and is straight to the point. Should I add extra texture and substance to make it read like a much better essay? If so, how?

Here is the prompt:

Please use the space below to provide details about the change in progression through secondary/high school

I am currently scheduled to graduate from high school as a junior and will be receiving a high school diploma. I have completed the highest level of numerous courses offered at my school and I believe I am ready to start my college education. Graduating early and jumpstarting my life at *college name* would introduce me to a great network of talented students, knowledgeable and caring faculty, and challenging curriculum. Because I feel ready for college and believe it will adequately challenge me to prepare me for my career goals, my school counselor and parents fully support me in graduating early.

The change or your progression through high school should be explained in this statement. I am not sure what the word count is for this paper but you have to be more detailed about how and why you were promoted to senior student status, ready for graduation, even though you remain a high school junior by record. What classes did you excel in? Where do your academic talents lie? Why did the school believe that you are qualified for early graduation? These are the questions that you can respond to that would reflect the change / your early graduation progression at your school. Whatever you do, do not say that you are graduating early because "high school isn't challenging enough". That sounds too cocky. This is not about why you believe you are ready for a college education. Rather, it is a justification of your advanced learning abilities, that prove you are ready for college. For example, you are doing Advanced level Calculus or, you have done research in physics that were held back by the limitations of a high school education. It has to be justified by the school, not by your belief in yourself.