TL;DR:
A conclusion should show what the argument adds up to, not repeat it.
Answer "so what?": why does this matter, and what follows from it?
Skip "in conclusion" and new evidence. End on your strongest idea.
You have written the body of an essay and you reach the last paragraph tired. The easy move is to copy your introduction, reword it a little and stop. Readers can tell. A conclusion that only repeats gives them nothing new for their last few seconds of attention, which is the part they remember best.
What a conclusion is for
The introduction promised an argument. The body delivered the evidence. The conclusion tells the reader what the evidence adds up to and why it matters. It should feel like arriving somewhere, not like circling back to the start.
Three jobs fit in a short paragraph. First, pull the threads together: show how your points combine into the claim. Second, answer so what: say why the claim matters beyond this one essay. Third, close cleanly, with a sentence that sounds finished.
Worked example: rewriting a conclusion that only repeats the intro
The essay argues that schools should start later in the morning. Here is the draft conclusion.
In conclusion, this essay has discussed whether schools should start later. I talked about sleep, attention and safety. As I said in the introduction, schools should start later.
Look at what is wrong. "In conclusion" announces the move instead of making it. "I talked about" lists the contents instead of the point. The final line copies the thesis. A reader learns nothing from this paragraph that they did not already know.
Now work through the repair in three questions.
What do the points add up to together? Sleep, attention and safety all improve when the day starts later, so the early bell costs students something every day.
So what? If the cost is daily and the fix is only a schedule change, a school can test it cheaply. The real question is not whether the change helps, but why it has not been tried.
What is the closing image or action? Suggest a one-term trial, so that the decision rests on the school's own results.
Put together:
The three reasons share one cause: an early bell asks teenage students to be at their best at the hour when they are least ready. Because the fix is only a change of schedule, a school does not need to guess. A one-term trial with a later start would let the students, teachers and parents judge the result for themselves.
The new version never says "in conclusion", does not repeat the thesis, and ends with something the reader can imagine doing. It also uses the earlier points without listing them.
Moves that strengthen an ending
Widen the lens. Connect your specific case to a bigger issue it illustrates.
Name a consequence. If your claim is right, what follows?
Return to your hook. If the introduction opened with an image or a question, answering it at the end can feel complete.
Point forward. Mention one question your essay leaves open, as long as it is honest and not a dodge.
What to avoid
"In conclusion", "to sum up", "in summary." The reader can see it is the last paragraph.
New evidence. If it matters, it belongs in the body.
Apologies. "I am not an expert, but" undermines the whole essay.
Overreach. Do not claim your essay solved a huge problem. Claim what the evidence supports.
Plain repetition. Restating the thesis once, in fresh words, is fine. Restating each point is not.
Tip: Read your introduction and then your conclusion back to back. If the conclusion adds nothing the introduction did not already say, find the "so what" and build the paragraph around it.
Matching the ending to the kind of essay
An argument essay can end on a call to act or a consequence. A literary analysis often ends by saying what the text shows about its larger theme, without reaching for the whole world. A history essay can end by weighing which cause mattered most. In each case the question to ask is the same: given what I have just proved, what does the reader now see that they did not?
If the answer is "nothing", the essay may need a sharper claim. A conclusion can only add up what the body built, so a thin argument makes a thin ending. Fix the argument and the conclusion gets easier.
A short checklist
Does it avoid announcing itself with "in conclusion"?
Does it use new wording for the thesis?
Does it say why the claim matters?
Does it end on a sentence you would be happy to quote?
How long should it be
Usually a short paragraph, or a few sentences in a short essay. Long essays can use a longer conclusion, but length is not the same as depth. A tight four-sentence ending that answers "so what?" beats a rambling page.
Your plan for this week
Pick the last essay you handed in. Highlight any sentence in your conclusion that also appears, in nearly the same form, earlier in the essay. Delete those, then write one new sentence that says why the argument matters. If you want to talk it through, DuckyHelper can listen while you explain your essay out loud and ask what the point is, which often brings the "so what" to the surface.
Frequently asked questions
Can I use a quotation to end?
Occasionally, if it truly sharpens your point. Make sure you still explain it, and do not let it replace your own final thought.
Should the conclusion mention my thesis?
Yes, but in new words and with more weight, because the reader has now seen the proof.
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