That awful, rushed feeling also applies in other settings, of course.
The essay should start with the first paragraph with a clear thesis statement (idea), but you must read background information first.
You should start with the following steps: You cannot use all of your thoughts in a single essay.
Make sure you understand which theme suits each of your points, then group your all points on the same theme in order of importance into a separate paragraph. State the main points you will discuss in order to support your answer to the question set in the title of the essay.
After the introduction add further paragraphs to build your argument, make the most important points first.