Academic Dismissal

Hey,
I was recently academic dismissed from school due to my own laziness and not being ready for college however I realized my errors and what it will be like without a college education in today’s world and I was wandering how to write a appeal letter to get the dismissal overturned but I can’t just write I was lazy and wasn’t ready and what other options do I have if I chose to take the year off and not go for the appeal?