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5 Common Essay Mistakes That Could Tank Your GPA

Superwriter
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Superwriter

Last updated: Jul 31, 2025
Published: Jul 31, 2025
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Writing an essay can feel overwhelming, especially when your GPA hangs in the balance. For students, a great essay is more than just words on a page; it’s a chance to show your ideas, prove your understanding, and make a strong impression on your reader.

Unfortunately, many students fall into traps that can hurt their grades. From weak arguments to messy structure, essay mistakes can derail your academic success. The good news is these errors are fixable with the right strategies. This guide will walk you through five common essay mistakes that could tank your GPA, explain how to fix them, and cover other pitfalls like the five Ds of college essays.

Whether you’re working on a college application essay or a class assignment, you’ll learn how to develop a clear thesis, organize your thoughts, and polish your work to boost your grades and impress your professors.

What Makes an Essay Go Wrong?

A bad essay often fails to connect with the reader or meet the assignment’s goals. It might lack a clear thesis, drift off-topic, or be full of grammatical errors. For example, a common app essay goes wrong when it’s vague, generic, or ignores the prompt. Students sometimes write broad, cliché stories without specific details, making it hard for admissions officers to see their personality.

A bad essay might also have a weak introduction that doesn’t grab attention or a conclusion that just repeats the opening without new insight. Poor organization, where paragraphs don’t flow logically, is another issue. The body of the paper might lack evidence to support claims, leaving arguments unconvincing. These essay mistakes often come from rushing the writing process or not understanding the prompt.

To fix this, brainstorm ideas, outline your essay, and ensure every paragraph supports one main idea tied to your thesis.

5 Common Essay Mistakes and How to Fix Them

Here are five common essay mistakes that can tank your GPA, along with practical fixes to help you succeed:

  • Vague Thesis Statement: A unclear thesis confuses readers and weakens your essay. Fix this by writing a specific thesis, like “Renewable energy reduces carbon emissions effectively.”
  • Poor Organization: Scattered paragraphs that don’t flow disrupt your essay. Create an outline with a clear introduction, body, and conclusion, using transitions like “furthermore” to connect ideas.
  • Insufficient Evidence: Arguments without support are unconvincing. Back every claim with research or examples, such as data or personal stories.
  • Grammatical Errors: Mistakes in grammar hurt readability. Proofread carefully, reading aloud to catch errors, and use tools like Grammarly for extra help.
  • Ignoring the Prompt: Off-topic essays miss the mark. Analyze the prompt carefully and refer to it while planning to stay focused.

By addressing these mistakes, you’ll write stronger essays that boost your GPA and showcase your skills.

The 5 Ds of College Essays: What to Avoid

When writing a college essay, avoiding these five Ds can set you apart:

  • Dull: A dull essay lacks passion or a unique story, failing to engage the reader.
  • Disconnected: These essays jump between unrelated ideas, confusing the audience.
  • Directionless: A directionless essay has no clear thesis or purpose, leaving readers unsure of your point.
  • Derivative: Derivative essays use overused themes, like generic sports victories, lacking originality.
  • Disorganized: Disorganized essays have no clear structure, with paragraphs that don’t connect to the main argument.

To avoid these, choose a specific, personal story that reflects who you are. Develop a strong thesis to guide your essay and organize it with a clear introduction, body, and conclusion. Use vivid details to make your essay interesting, and revise thoroughly to ensure every sentence has a purpose. This keeps your college application essay authentic and memorable.

What Shouldn’t You Put in an Essay?

Some elements can ruin an essay and lower your grades. Avoid irrelevant details that don’t support your thesis, as they distract from your main points. For example, in a college application essay, don’t list achievements like a resume; focus on a story that shows your growth.

Steer clear of overly negative tones or inappropriate humor, as these can alienate readers, especially admissions officers. Plagiarism is a major mistake; always cite sources and use your own words to stay credible. Don’t use complex vocabulary to seem “smart”; it often reduces clarity and feels forced. Also, avoid vague statements without evidence, as they weaken your argument.

To fix these, focus on specific examples and analysis to back your claims. Keep your essay focused, authentic, and clear to resonate with your audience and avoid pitfalls that could hurt your academic performance.

Common Mistakes in Essay Conclusions

A frequent mistake in essay conclusions is simply restating the introduction. A conclusion should do more than repeat; it should tie your main points together and offer a fresh perspective. For example, instead of restating your thesis, show how your argument matters in a broader context.

Another error is introducing new ideas or evidence, which confuses readers and disrupts the essay’s flow. Some students end with vague statements, like “This is important,” without explaining why. To fix this, summarize your key arguments in a way that connects them and adds insight. In an argumentative essay, reflect on the implications of your stance.

A strong conclusion leaves readers thinking, so write a final sentence that feels impactful. For instance, in a college essay, end by showing how your experience shaped your life. This approach ensures your conclusion strengthens your essay and boosts its overall effect.

The Most Common Mistake in Writing

The most common mistake in writing, especially for students, is a lack of clarity. Vague or overly complex sentences make it hard for readers to follow your ideas. This often happens when you don’t plan your essay or skip revising for coherence. For example, a paragraph might mix unrelated thoughts, or the thesis might be too broad to guide the paper. Clarity means making your writing easy to understand, with each sentence flowing logically.

To fix this, start with a clear thesis statement that outlines your main argument. Use topic sentences to introduce each paragraph’s one main idea, supported by specific evidence or examples. Read your essay aloud to spot awkward phrasing or unclear points. Ask a friend to read it and confirm it makes sense. By focusing on clarity, you ensure your reader understands your argument, making your essay stronger and more effective.

Common Mistakes New Writers Make

New writers often make essay mistakes like failing to plan before writing. Without an outline, essays can become disorganized, with paragraphs that don’t connect or support a clear thesis. For example, a new writer might begin with a vague idea and end up with a paper that lacks focus.

Another common error is skipping proofreading, leaving spelling or grammatical mistakes that distract readers. New writers may also overuse quotes without analyzing them, weakening their argument. To fix these, brainstorm and outline your essay before starting, ensuring each paragraph has a clear purpose tied to your thesis. After writing, revise carefully for clarity, grammar, and flow.

Use tools like Grammarly, but also read aloud to catch errors. Ask a trusted person for feedback to spot issues you missed. By planning and revising, you’ll avoid these mistakes and create a polished essay that impresses your reader.

What Makes a Common App Essay Bad?

A common app essay fails when it lacks authenticity or specificity. Writing a generic story about “overcoming challenges” without unique details blends in with other college applications.

Another mistake is ignoring the prompt or failing to show personal growth, which admissions officers value. A bad essay might use overly formal words you wouldn’t normally use, making it feel forced. Poor structure, like a weak introduction or abrupt conclusion, also hurts.

To fix this, choose a personal story that reveals something meaningful about you. Use vivid details to bring it to life, and structure it with a clear beginning, middle, and end. Reflect on how the experience shaped your perspective to make it stand out. For example, instead of a generic story, talk about a specific moment that changed how you view hard work. This approach ensures your essay connects with readers and shines.

Avoiding Mistakes in Argumentative Essays

A common mistake in argumentative essays is a weak or unclear thesis statement. Your thesis must clearly state your position and guide the essay. For example, a vague thesis like “Social media is bad” lacks direction. Another error is not providing enough evidence, making your argument unconvincing. Ignoring counterarguments also weakens your essay by seeming one-sided.

To fix these, write a specific, arguable thesis, like “Social media harms teen mental health by increasing anxiety.” Support it with credible research or examples, and address opposing views to show balance. Organize your essay with a clear introduction, body paragraphs focusing on one main idea each, and a conclusion that reinforces your stance without new points. Use transitions to maintain flow. By ensuring a strong thesis, solid evidence, and balanced discussion, your argumentative essay will persuade readers and earn higher marks.

The Four Main Types of Writing Errors

Writing errors fall into four categories:

  • Content Errors: These include weak arguments, lack of evidence, or irrelevant details that stray from the thesis. For example, a personal story that doesn’t support your point confuses readers.
  • Organization Errors: Poor structure, like paragraphs that don’t flow or a missing conclusion, disrupts readability.
  • Grammar Errors: Incorrect verb tenses or punctuation hurt professionalism.
  • Formatting Errors: Wrong citation styles or margins can cost marks.

To fix content issues, ensure every paragraph supports your thesis with evidence. For organization, use an outline to plan a clear introduction, body, and conclusion, with transitions to connect ideas. Proofread for grammar errors, reading aloud to catch mistakes.

Follow formatting guidelines, like MLA or APA, carefully. By addressing these four areas, your essay will be polished, professional, and ready to impress your instructor.

Three Major Errors in Writing

Three major errors in writing are:

  • Lack of Clarity: Vague or complex sentences confuse readers. For example, a broad thesis can leave the essay directionless.
  • Insufficient Evidence: Unsupported claims don’t persuade. Relying on opinions without research is a common mistake.
  • Poor Organization: Scattered paragraphs or a weak conclusion disrupt flow.

To fix clarity, use a specific thesis and simple sentences. Support every claim with evidence, like data or quotes, to strengthen your argument. Structure your essay with a logical flow (introduction, body, and conclusion) using transitions to guide the reader. Revise and read aloud to spot errors. By focusing on these fixes, your essay will be clear, convincing, and well-organized, helping you avoid mistakes that could lower your GPA.

Common Errors Writers Should Watch For

A common error in writing is skipping the revision process. Many students submit first drafts, leading to unclear arguments, grammatical mistakes, or weak evidence. For example, a rushed essay might have run-on sentences or lack a clear thesis, hurting readability. Another frequent mistake is improper citation, risking plagiarism or lost marks.

To fix this, revise your essay thoroughly, checking for clarity and coherence. Ensure each paragraph focuses on one main idea tied to your thesis, supported by evidence. Use spell-checkers, but also read aloud to catch awkward phrasing. Double-check citations to follow styles like MLA or APA. Ask a friend or teacher for feedback to spot overlooked issues. By dedicating time to revision, you’ll catch errors that could hurt your grade. These steps ensure your essay is professional, clear, and likely to impress your reader and boost your academic performance.

Can You Improve Your GPA?

Yes, you can improve your GPA, even in one semester, with focused effort. Writing better essays is a great start, as they’re often a big part of your grade in many courses. Avoiding essay mistakes like poor structure or weak arguments can lift your performance.

To raise your GPA from a 2.0 to a 2.5 or 3.0, prioritize high-impact assignments like essays and exams. Plan your study schedule, seek professor feedback, and use resources like tutoring or writing centers. For example, improving essay grades from a C to a B in a few courses can significantly raise your GPA.

Jumping from a 3.3 to a 3.5 is tougher but possible with strong essays and active participation. Consistent hard work, like revising drafts and seeking help early, is key. Better essays mean better grades, helping you achieve your GPA goals.

The Structure of an Essay

An essay’s structure is like a roadmap guiding your reader through your ideas. It has three main parts: an introduction, a body, and a conclusion.

The introduction sets the stage, presenting your topic and a clear thesis statement outlining your argument.

The body, usually three or more paragraphs, develops your argument with evidence and examples, each paragraph focusing on one main idea.

The conclusion summarizes your points, reinforces the thesis, and leaves a final thought.

For example, in a college application essay, the introduction might share a personal story, the body explains how it shaped you, and the conclusion reflects on its impact. A well-structured essay feels cohesive, with transitions linking paragraphs for smooth flow. Plan your structure before you begin to keep your essay focused, ensuring every part supports your thesis and engages your reader effectively.

The 5-Point Essay Structure

The 5-point essay structure, or five-paragraph essay, is a reliable framework for students. 

It starts with an introduction that hooks the reader with a story or question and presents a clear thesis. 

The next three paragraphs form the body, each focusing on one main idea that supports the thesis, backed by evidence or examples. For instance, in an essay about recycling benefits, each body paragraph might cover a different benefit, like reducing waste. 

The final paragraph, the conclusion, summarizes the main points and reinforces the thesis without new ideas. 

This structure is great for shorter essays because it’s simple and effective, ensuring a clear argument. To make it work, plan your points in advance and use transitions like “however” to connect paragraphs. This creates a smooth flow, keeping the reader engaged from the first sentence to the last.

5 Steps to Writing an Essay

Writing an essay can be simplified into five key steps for success:

  • Analyze the Prompt: Understand what’s required by looking for words like “discuss” or “analyze.”
  • Brainstorm and Research: Gather ideas and credible sources to develop your argument.
  • Create an Outline: Organize your thoughts, ensuring each paragraph has a clear purpose.
  • Write the Draft: Start with an introduction that includes your thesis, followed by body paragraphs with evidence, and a conclusion that ties everything together.
  • Revise and Proofread: Refine clarity, grammar, and flow, checking for errors and coherence.

For example, in an argumentative essay, use research to support your claims and address counterarguments. These steps help you craft a polished essay that makes sense and earns high marks. Practice this process regularly to build confidence and improve your writing skills, making essay writing less daunting and more rewarding.

How to Properly Write an Essay

To write an essay properly, follow these steps:

  • Understand the Prompt: Fully grasp the requirements to ensure your essay addresses the task.
  • Brainstorm and Research: Gather ideas and credible sources to support your argument.
  • Create an Outline: Organize your thoughts with a clear introduction, body, and conclusion.
  • Write the Draft: Hook the reader with an interesting fact or story in the introduction, state your thesis clearly, develop body paragraphs with evidence, and conclude with a summary and final perspective.
  • Revise and Proofread: Check for clarity, coherence, grammar, and spelling errors to polish the essay.

For example, in a college essay, share a personal story that shows growth, ensuring it’s authentic. These steps produce a well-written essay that engages readers, meets academic standards, and boosts your grades.

Proofreading Your Essay

Proofreading an essay is essential to catch mistakes that can lower your grade. Set your draft aside for a day to gain a fresh perspective, then read it aloud to spot awkward sentences or unclear ideas. Check for grammatical errors, like incorrect verb tenses or punctuation, and ensure your thesis is supported by evidence in each paragraph.

For example, verify that every body paragraph ties to your main argument. Use tools like Grammarly for basic errors, but don’t rely solely on them; manual review ensures clarity and flow. Ask a friend or teacher for feedback to catch issues you might miss.

To become an essay proofreader, practice spotting common errors and study style guides like MLA or APA. Thorough proofreading makes your essay polished and professional, showing your hard work and helping you impress your reader with a clear, error-free paper.

For professional help, consider hiring a proofreader from Ace My Homework to ensure your essay is polished and professional, showing your hard work and helping you impress your reader with a clear, error-free paper.

Can ChatGPT Proofread Essays?

ChatGPT can help proofread essays by catching grammatical errors, suggesting clearer phrasing, and checking consistency. For example, it can spot run-on sentences or incorrect word usage, like “they’re” versus “there.” However, it’s not ideal for college essays, where tone, voice, and context matter.

AI might replace unique phrasing with generic words, potentially leading to penalties from schools for lacking originality. For a college application essay, you want your personality to shine, and AI might miss subtle authenticity or overedit your style.

It also can’t fully understand assignment guidelines or offer human insight like a teacher or peer. To use ChatGPT effectively, run your essay through it for initial checks, then review manually for clarity and flow. For the best results, hire a tutor from Ace My Homework to ensure your essay is polished while keeping your voice authentic.

Best Organization for Your Essay

The best organization for an essay depends on its type, but the classic structure (introduction, body, and conclusion) works for most. The introduction grabs attention with a story or question and presents a clear thesis. The body, typically three to five paragraphs, develops your argument, with each paragraph focusing on one main idea supported by evidence.

For example, in an argumentative essay, each paragraph might present a reason for your stance, backed by research. The conclusion summarizes key points and offers a final thought, avoiding new ideas.

Organization means arranging ideas logically so the reader follows your argument easily. Use transitions like “furthermore” or “however” to maintain flow. Plan your structure with an outline before writing to ensure every part serves the thesis. This keeps your essay cohesive, persuasive, and easy to follow, helping you earn better grades.

What Is Clarity in Writing?

Clarity in writing means expressing ideas so the reader understands them easily. It involves precise words, simple sentences, and a logical structure to convey your point without confusion. For example, instead of “The utilization of complex terminology obfuscates comprehension,” say “Big words can confuse readers.”

Lack of clarity comes from vague terms, run-on sentences, or disorganized paragraphs. To fix this, start with a clear thesis to guide your essay. Each paragraph should have a topic sentence introducing one main idea, followed by evidence and analysis.

Read your essay aloud to ensure it makes sense, and simplify complex phrases. Ask if a friend could follow your argument easily. Clarity makes your essay impactful and likely to earn better grades, as it ensures your reader grasps your ideas without getting lost in unclear or convoluted writing.

How to Write a Strong Thesis Statement

A thesis statement is a concise sentence that summarizes your essay’s main point and guides its direction. For example, in an essay about climate change, a strong thesis might be: “Reducing carbon emissions through renewable energy is essential to combat climate change.” The five rules of a thesis statement are: be clear, specific, arguable, focused on one main idea, and placed in the introduction. A weak thesis, like “Climate change is bad,” is too vague. To write a strong thesis, analyze the prompt, brainstorm your stance, and refine it to reflect your argument. Revise as you write to align with your essay’s content. A strong thesis keeps you focused, organizes your ideas, and gives the reader a clear sense of your essay’s purpose. This sets the stage for a compelling, cohesive paper that resonates with your audience.

Tips for Writing a Great Essay

To write a great essay and aim for 100%, follow these tips. First, fully understand the prompt to ensure your essay addresses it directly. Second, create an outline to organize your ideas with a clear introduction, body, and conclusion. Third, develop a strong thesis to guide your argument. Fourth, use specific evidence, like data or personal stories, to support each paragraph’s point. Finally, revise and proofread carefully to eliminate errors and improve clarity. The “10 rule” in essay writing isn’t standard, but it might mean putting in 10% more effort in planning, researching, and revising than you think necessary. For example, in a college application essay, share a unique story about growth and revise to ensure every word counts. These tips help your essay stand out, engage your reader, and boost your grades with a polished, impactful paper.

Take Action to Ace Your Essays

Avoiding essay mistakes is totally doable, even if you’re struggling. Follow these essay tips, stay focused, and you can also hire a tutor from Ace My Homework to guide you. We’re here to help you boost your grades and confidence. Got a question or need personalized help? Post your question to Ace My Homework for a free quote, hire an essay writer, and get tutoring to make your next essay a masterpiece.

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