To write an essay on maintaining classroom cleanliness, identify your audience, decide if you want to write a persuasive or informative essay, then formulate a thesis. The first paragraph explains the topic and ends with the thesis statement. The following paragraphs support the thesis, and the conclusion is a summary.
A standard five-part essay format provides the best framework to write an effective essay, according to About.com. In the first paragraph, your opening sentence should capture the reader's interest. Summarize key points to explain the topic, and end the introductory paragraph with your thesis statement.
The objective of an informative essay is to share information with an audience. Writers use persuasive essays to convince their audience of a certain viewpoint, sometimes urging them to make a decision or take action. In either case, the three supporting paragraphs should begin with a topic sentence, followed by relevant evidence or opinions. Restate your thesis statement, and tie it to the supporting details in the conclusion paragraph.
A persuasive essay about maintaining classroom cleanliness directed at students might exhort them to share in the responsibilities and benefits of a cleaner, healthier classroom environment. You could use the supporting paragraphs to introduce medical or scientific evidence about germs and the spread of disease in educational settings. You could also educate your audience about the importance of basic hygiene, such as covering coughs and sneezes, proper hand washing techniques and disinfecting desks, chairs and door knobs.