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As students prepare their fall 2027 college applications, AI tools such as ChatGPT, Claude, and Grammarly have become part of the writing process. Students may use them to research colleges, organize ideas, check grammar, or receive feedback on an essay draft. But where should students draw the line between helpful editing and unacceptable AI assistance?
There is no single AI policy that applies to every college. Some universities allow limited brainstorming and proofreading, while others impose stricter rules on how AI may be used in application writing. However, a common principle still runs through many of these policies: your application must reflect your own experiences, ideas, and work. Letting AI generate substantive content and submitting it as your own work can violate the application integrity rules.
For students applying in the 2026–2027 cycle, it is important to understand the differences between each college’s AI policies. As colleges may update their rules each year, applicants should also check each school’s current requirements before submitting their application.
What Does Common App Say About AI?
The Common App’s Fraud Policy explicitly addresses generative AI. It defines application fraud as “the act of submitting plagiarized work or intentionally presenting another person’s ideas, language, experiences, or the substantive output of an AI platform as one’s own original work.”
However, this does not mean that every use of AI is automatically prohibited by the Common App. The key issue is whether an applicant claims the AI-generated material as their own work.
For example, using an AI tool to learn about a college’s academic programs is different from asking AI to write a personal statement and claiming you wrote that essay. Similarly, using a grammar checker to identify errors in a draft you wrote yourself is different from asking a chatbot to rewrite your essay in a more polished voice.
When applicants submit their materials, they also affirm that the information is their own work, factually true, and honestly presented. Violations can have serious consequences, including reports to member colleges and other action under Common App’s policies.
The Common App provides an overarching integrity standard, but it does not replace each college’s own rules. A university may allow certain forms of brainstorming while another university may restrict AI assistance more broadly. Students should therefore check both the general application requirements and the AI policies of every college on their list.
College AI Policies for Fall 2027: What Applicants Should Know
Each of the 10 schools below illustrates how AI policies differ. These examples are drawn from official admissions resources, not from assumptions about what a college might permit.
1. Brown University: AI Is Limited to Basic Proofreading
Brown takes a particularly restrictive approach to AI-assisted application writing. In its Integrity in the application process policy, the university states that AI may be used for spelling and grammar review, but the content of all essays, short answers, and other submitted materials must be the applicant’s own work.
This distinction is important for Brown applicants. Basic proofreading may be permitted, but using AI to generate essay ideas, rewrite paragraphs, reorganize an argument, or produce a draft goes beyond the “limited assistance” described in the policy.
A student applying to Brown should write the substantive content independently and limit their automated help to basic spelling and grammar review.
2. Yale University: General Advice Is Different From AI-Generated Writing
Yale permits some limited uses of AI, while clearly prohibiting the submission of substantive AI-generated content as an applicant’s own work.
According to Yale’s AI policy for undergraduate admissions, applicants may use AI to review grammar or spelling, seek general advice, or explore possible topics at the beginning of the writing process. However, submitting substantive AI-generated content as one’s own work constitutes application fraud under Yale’s admissions policy.
This distinction is between using a tool to get started and letting it do the writing. For example, a student might ask for general questions to consider when reflecting on a meaningful experience. Then, the student should develop the story, decide what it means, and write the response independently.
Yale’s guidance reflects the purpose of the application essay: admissions officers want to understand an applicant’s perspective and character, not simply read a fluent piece of writing.
3. California Institute of Technology: Clear Examples of Acceptable and Unacceptable Uses
Caltech has published detailed ethical AI guidelines for fall applicants. For this policy, all fall 2027 applicants are required to review the guidelines before submitting their supplemental essays.
Here are several AI uses that Caltech considers acceptable:
- Checking grammar and spelling in a completed essay with tools such as Grammarly or Microsoft Editor.
- Generating questions or exercises to help begin brainstorming.
- Researching the college application process.
The university also identifies practices that do not meet its standards, including copying and pasting AI-generated text, relying on AI to outline or draft an essay, replacing the applicant’s voice with AI-generated language, and translating an essay written in another language.
The last point is especially relevant to students who are more comfortable writing in a language other than English. Caltech’s policy does not permit using AI to translate an application essay into English. However, applicants should review the full guidance rather than assume that a common editing practice is acceptable for every college.
4. Cornell University: Research Is Acceptable, but AI Should Not Write or Rewrite Responses
Cornell’s guidance on receiving help with an application draws a clear line between researching colleges and having someone or something else create the application.
Cornell identifies researching colleges or building a college list with AI as acceptable assistance. It also says that applicants should not use AI to outline, draft, or write application responses, translate responses from another language, or create work for a required portfolio.
The university also states that it is unacceptable to have another person write or rewrite an applicant’s essay. The underlying principle applies whether the assistance comes from a chatbot, a paid editor, or someone else: the submitted response should represent the applicant’s own experiences and ideas.
Cornell applicants can use AI to help them with the research phase, but the student should retain control of the essay’s content and wording.
5. Johns Hopkins University: Brainstorming and Proofreading Are Permitted
Johns Hopkins allows applicants to use AI for brainstorming or refining ideas before the writing process, as well as for basic proofreading.
However, the official admissions FAQ makes clear that all submitted application materials must be the student’s original work. Submitting substantive AI-generated content as one’s own is not permitted under the university’s application integrity standards.
This gives students a practical distinction to follow. Asking AI for questions to clarify a topic before writing may fit the university’s guidance, but letting it compose a personal statement or generate the final answer does not.
Applicants should also remember that the activity list and other written components are also part of their application. They must also apply honesty and originality beyond the main personal statement.
6. Northwestern University: Several Uses Are Acceptable, but AI Should Not Produce the Essay
Northwestern’s guidance on artificial intelligence and admission identifies several constructive uses of generative AI, including:
- Researching colleges and admissions terminology.
- Exploring how academic interests connect to possible fields of study.
- Brainstorming essay topics.
- Checking grammar, punctuation, and spelling in completed essays.
Northwestern also identifies problematic uses, such as asking AI to write a personal statement or supplemental essay, translating an essay written in another language, giving AI an outline and submitting the resulting essay, or using AI to rework one college’s supplemental essay for another school.
Reusing an essay across applications is not necessarily a problem when a student independently adapts their own writing to a new prompt. The concern is that they use AI to generate the new version in place of their own work.
Northwestern’s guidance emphasizes that an effective application should reflect the student’s own experiences and perspective rather than perfect sentences.
7. University of Pennsylvania: The Applicant Must Remain the Author
Penn’s guidance on integrity and AI in admissions explains that using an AI tool does not automatically make an application dishonest. What matters is that the applicant remains the same person generating the content.
Penn says applicants may use tools to organize their thoughts or check grammar, given that the work still reflects their own ideas, experiences, and voice. Submitting AI-generated responses, inventing experiences, or presenting ideas that are not genuinely theirs would violate the university’s standards.
Penn offers a useful test: if an admissions officer asks a question about something in the application, can the student explain that idea and how they arrived at it using their own words?
This standard applies to the whole application, including activity descriptions and other supporting materials. Applicants must remain responsible for the accuracy and authenticity of everything they submit, even after their application has been sent.
8. University of Virginia: AI May Play a Minor Role
The University of Virginia permits a limited role for generative AI in application writing. Its official admissions guidance says that AI may help applicants brainstorm essay topics or check grammar, but students should not copy and paste AI-generated content into their essays or personal statements.
UVA expects all final submitted materials to be the applicant’s original work, rather than a product of AI.
Students applying to UVA can use AI only for limited support, then write and revise the essay themselves. If a tool starts to supply the actual sentences or personal reflections that appear in the final response, the process goes beyond the university guidelines.
9. Princeton University: Give Yourself Time to Think and Write
In September 2026, Princeton published “Authentically You: Application Essays and AI,” a message from Dean of Admission Karen Richardson about the role of AI in application writing.
Princeton emphasizes that essays help admissions officers understand how applicants think, what matters to them, and how their experiences have shaped them. The university encourages students to reflect and write in their own voices, rather than relying on AI to generate ideas or complete essays.
The concern goes beyond simply avoiding a policy violation. If an essay is meant to reveal a student’s perspective, letting AI do the thinking and writing defeats the purpose of the exercise.
Applicants should read Princeton’s current guidance alongside the university’s application instructions and ensure that every submitted response represents their own work.
10. Harvard University: Essays Should Reflect Your Own Content, Style, and English Proficiency
Harvard’s FAQ on the help students can receive with essays states that an essay should reflect the applicant’s own content, writing style, and English proficiency.
Harvard also warns that using tools or services to fraudulently create essays or pass off another person’s work as one’s own violates the Common Application standards and the Harvard College Honor Code.
Their guidance focuses on whether the writing accurately represents the student. An essay heavily rewritten by AI may no longer reflect the applicant’s natural expression, even if the given experience happened in real life.
Students should use Harvard’s official guidance as the baseline and avoid submitting using a language they cannot confidently explain or stand behind.
What About Other Colleges?
Not every college publishes a detailed AI policy with a list of permitted and prohibited uses. Some explain their expectations through broader application-integrity statements or instructions to write in the applicant’s own words.
For example, Georgetown asks students to submit essays describing their backgrounds, experiences, skills, and talents in their own words in its undergraduate application requirements. However, applicants should not assume that a lack of detailed public AI guidelines means they can use it however they want. If the boundary is unclear, they can ask the admissions office directly before using AI to edit or generate application content.
Students should also avoid treating a list of college policies as permanent. Colleges may revise their guidance, and one school’s policy allowing limited brainstorming does not mean another school will do the same.
Can You Use AI for UC Applications?
The University of California system uses its own application rather than the Common App. Its Personal Insight Questions (PIQs) ask students to describe their experiences, interests, achievements, and personal growth.
In its official first-year PIQ guidance, UC emphasizes that responses should help admissions readers understand the applicant’s personality and experiences. It also states that a student’s responses should reflect their own ideas and be written by them, while allowing family members, teachers, and friends to offer feedback.
The published guidance focuses on originality and the student’s own words rather than providing a detailed AI-specific checklist. Therefore, applicants should not let AI generate a response or replace their personal reflection.
For UC essays, the safest approach is to write about real experiences, explain what the experience means to you, and use feedback only in ways that preserve your own thinking and expression.
How Can You Use AI Without Crossing the Line?
Because college policies differ, there is no universal list of AI prompts for every school. This framework can help students make more careful decisions, but each college’s published policy takes precedence.
| Task: | General Guidance: |
| Researching colleges, majors, or application requirements | Often acceptable, but verify information on official college websites. |
| Asking questions to help you reflect on an experience | Permitted by some colleges; check the specific policy. |
| Brainstorming possible essay topics | Allowed by some schools, including Yale and Northwestern, but restricted more broadly by others. |
| Checking spelling and basic grammar | Commonly permitted when the student has written the content, but confirm each school’s rules. |
| Asking AI to rewrite paragraphs or improve the essay’s voice | Risky and may violate a school’s policy. |
| Asking AI to create an outline or first draft for submission | Prohibited by several schools, including Caltech and Cornell. |
| Translating a personal statement written in another language | Specifically prohibited by several schools, including Caltech, Cornell, and Northwestern. |
| Inventing activities, achievements, or personal experiences | Unacceptable; application information must be truthful. |
1. Read Each College’s Policy Before Editing
Do not rely solely on the Common App’s general fraud policy or a friend’s interpretation of a school’s rules. Instead, look for official pages covering AI, application integrity, essay assistance, or admissions requirements.
Pay close attention to the difference between basic proofreading and rewriting. A college may allow a tool to identify grammatical errors without letting it replace the student’s sentences with a new language.
2. Write the Outline Yourself
Start with your own experiences, observations, and reflections. Before opening an AI tool, try answering a few questions using your own words:
- What happened, and what role did I play?
- Why did this experience matter to me?
- What did I learn or reconsider from that experience?
- What would I want an admissions reader to know and understand about me?
These answers can provide a specific and personal foundation for an essay. AI may be useful for limited support where a school permits it, but it should not supply the core story or reflection.
3. Keep Your Natural Voice
An essay does not need to sound like it is written by a professional writer. Students have different writing styles, vocabulary, and levels of English proficiency. Trying to make every sentence sound sophisticated can remove the details and phrasing that make a response personal.
After revising, read the essay aloud. Does it sound like something you would actually say? Can you explain every idea and phrase? If the answer is no, try to revise it in your own words.
4. Be Careful With Translation and Heavy Editing
Translation and extensive rewriting deserve special attention because some colleges explicitly prohibit them. A student who writes an essay in another language and asks AI to translate it may violate a rule even if every experience they described is true.
This also applies when a tool repeatedly rewrites an English draft. The more language the tool supplies, the harder it is to ensure that the final work represents the student’s own expression. When a college’s policy is unclear, do not assume that a rule is acceptable simply because it is common.
5. Keep Your Drafts and Notes
Save your original notes, early drafts, and revisions. Keeping a record of your writing process can help you maintain ownership of the essay and retrace how your ideas developed.
Draft history is not a substitute for following a college’s policy, and students should not assume that every school will request it. It is simply a practical way to keep the writing process organized and ensure that the final essay remains grounded in their own work.
Need Help Navigating College Essay Requirements?
AI can make parts of the college search and writing process more convenient, but convenience should not come at the expense of authenticity. The most important question is not whether a particular tool was used; it is whether the application still represents the student’s own experiences, thinking, and expression, and whether that use complies with each college’s rules.
For students applying in fall 2027, the best approach is to check each school’s latest policy, consider each response independently, and use only the forms of assistance that the college explicitly allows. If a policy leaves room for interpretation, you can contact the admissions office rather than guessing.
If you are preparing college applications and have questions about essay expectations, school-specific requirements, or how to plan your writing process, contact us today to speak with an admissions advisor.
