A 250-word essay is complete with a minimum of three paragraphs and a maximum of five or six. A simple, and yet effective, structure for a 250-word essay includes an introduction and a conclusion, with three additional paragraphs making up the main body of the piece.
In addition to including a range of between three and six paragraphs, a 250-word essay has standard paragraphs of approximately three sentences. Extending an individual paragraph beyond three sentences tends to make it inappropriately meandering and oftentimes confusing. A paragraph that is less than three sentences tends to be too brief to convey a complete thought.