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How to Writer a Sincere Apology Letter to Professor?

How to Writer a Sincere Apology Letter to Professor?

Abigail Thorne-author-image Abigail Thorne
Aug 21, 2025
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Making mistakes is an ordinary thing for college students. Admitting the mistake and fixing it as quickly as possible are important. When you make a mistake, you can formally apologize to your professor by writing an apology letter. Effectively writing an apology letter will help you heal the connection and prevent future disputes.

Expressing genuine regret can have a major impact on the person we have harmed. It shows our dedication to growing from our mistakes and becoming better versions of ourselves. It can restore their faith in us and give them a sense of validation and being heard. Apologizing is a strong technique that can foster forgiveness, increase trust, and build a more positive and polite atmosphere.

How to write an apology letter to a professor in a respectful way? Read below to get samples of writing an apology letter in different contexts.

Apology Letter to Professor Examples

While it's common to misbehave at school occasionally, there are instances when your actions could annoy your professor. You might have to submit a letter of apology if you have disobeyed your teacher. It's simple to write a letter of apology to your professor. All you have to do is compose your letter of apology, format it, and deliver it to your professor.

Here are some examples of apology letters to a professor that you have accepted your mistake and are feeling sorry.

1. For Disobeying a Class Rule

Dear Professor [Professor's Last Name],

I am writing to sincerely apologize for my failure to follow the class rule about [mention the specific rule, e.g., cell phone usage, talking during lecture]. I understand that this rule is in place for a productive learning environment, and I was wrong to disobey it. I take full responsibility for my actions and will ensure that I am always respectful of the rules going forward.

Thank you for your understanding.

Sincerely,

[Your Name]

2. For Not Following Instructions

Dear Professor [Professor's Last Name],

Please accept my sincere apologies for not following your instructions for the [Assignment Name] assignment. I realize now that my failure to obey the guidelines was disrespectful of your time and expertise. I have reviewed the instructions and will take the time to ensure I fully understand them for all future assignments.

Thank you for your consideration.

Respectfully,

[Your Name]

3. For Ignoring a Direct Command

Dear Professor [Professor's Last Name],

I am writing to express my deepest apologies for disobeying your direct request during class on [Date]. My decision to ignore your instruction was completely inappropriate and showed a lack of respect for you and the other students. I am embarrassed by my actions and will ensure that I always follow your guidance in the future.

Thank you for your patience.

Sincerely,

[Your Name]

Apology Letter to Professor for Late Submission

Many people sometimes miss deadlines. Professionals, students, and entrepreneurs occasionally face difficulties that make it impossible for them to turn in assignments on time. The key to success is managing the matter appropriately thereafter. An effective apology email shows your dedication to making things right and helps maintain positive relationships.

You can use these email templates to explain the problem and offer a professional apology.

1. Simple and Direct

Dear Professor [Professor's Last Name],

Please accept my sincere apologies for the late submission of my [Assignment Name] assignment. I take full responsibility for my failure to submit it on time. I understand the importance of meeting deadlines in your class, and I will ensure that all my future work is submitted promptly.

Thank you for your understanding.

Sincerely,

[Your Name]

2. With a Brief Explanation

Dear Professor [Professor's Last Name],

I am writing to sincerely apologize for the late submission of my [Assignment Name] assignment. I was dealing with [briefly mention the issue, e.g., an unexpected personal matter, a technical problem] which caused me to miss the deadline. I understand that this is not an excuse, and I am committed to getting back on track.

Thank you for your consideration.

Respectfully,

[Your Name]

3. Expressing Regret and a Plan

Dear Professor [Professor's Last Name],

I am writing to express my deepest apologies for the late submission of my [Assignment Name] assignment. I deeply regret not managing my time effectively to complete the work by the due date. I have since re-evaluated my schedule to ensure that I will be able to meet all future deadlines in your course.

Thank you for your patience and for your commitment to our education.

Sincerely,

[Your Name]

Apology Letter to Professor for Absence

A letter of apology for absence is a formal approach to apologize and explain why you were unable to attend class. Writing an apology letter conveys responsibility and concern for the impacted parties, regardless of whether sudden occurrences, illness, or personal reasons caused the absence.

Let's examine these samples of an apology letter to a professor for missing class to learn the proper structure and content of an apology letter:

1. Simple and Direct

Dear Professor [Professor's Last Name],

I am writing to sincerely apologize for my absence from your [Class Name] class on [Date]. I understand the importance of attending every lecture and regret missing the material you covered. I have already contacted a classmate for the notes and will ensure that I am present for all future sessions.

Thank you for your understanding.

Sincerely,

[Your Name]

2. With a Brief Explanation

Dear Professor [Professor's Last Name],

Please accept my apologies for my absence from class on [Date]. I was unable to attend due to [briefly mention the issue, e.g., a family emergency, a personal illness] and regret missing your lecture. I will work diligently to catch up on the material I missed.

Thank you for your consideration.

Respectfully,

[Your Name]

3. Expressing Regret and a Plan

Dear Professor [Professor's Last Name],

I am writing to express my deepest apologies for my unexpected absence from your class on [Date]. I realize my absence was a reflection of my lack of preparedness to handle the situation, and I deeply regret it. I am committed to learning the material I missed and will review the lecture slides and course content to ensure I stay on track.

Thank you for your patience and for your commitment to our education.

Sincerely,

[Your Name]

Apology Letter to Professor For Cheating

In the event that you are detected cheating on a test, it is best to own up to your mistake and accept responsibility. Even though it could be challenging in some situations, owning up to your mistakes will only benefit you in the long term. By doing this, you demonstrate maturity and help your speaker or instructor minimize the effects.

Use these samples to apologize for your mistake and express your deep regret.

1. Taking Full Responsibility

Dear Professor [Professor's Last Name],

I am writing to express my deepest apologies and to take full responsibility for my actions regarding [mention the assignment or test]. I was dishonest and cheated, which was a serious breach of academic integrity. There is no excuse for what I did. I understand the gravity of my mistake and am prepared to accept any consequences. I am truly sorry for my actions.

Sincerely,

[Your Name]

2. Admitting Wrongdoing and Acknowledging Trust

Dear Professor [Professor's Last Name],

I am writing to sincerely apologize for my inexcusable behavior. I know that my actions were a violation of your trust and the trust you place in all of your students. I deeply regret making the terrible decision to cheat on [mention the assignment or test]. I understand that I have failed to uphold the standards of this course and the university, and for that, I am truly remorseful.

Respectfully,

[Your Name]

3. Expressing Regret and a Commitment to Change

Dear Professor [Professor's Last Name],

Please accept my profound apologies for my poor judgment and for cheating in your class. My actions were a serious lapse in judgment, and I am ashamed of myself. I have a great deal of respect for you and the academic process, and I am committed to learning from this mistake. I will strive to conduct myself with absolute integrity in all my future academic endeavors.

Sincerely,

[Your Name]

Apology Letter to Professor for Disrespectful Behavior

Writing a letter of apology to a teacher for misbehaving is a responsible and polite way to acknowledge one's mistakes and express a desire to behave better. A genuine apology can help rebuild the connection and show a commitment to follow classroom rules, regardless of whether the misbehaviour involves making noise, using a phone in class, or skipping class. 

These are a few samples of how to apologize sincerely to a professor for a variety of misconduct.

1. Taking Full Responsibility

Dear Professor [Professor's Last Name],

I am writing to express my deepest apologies for my disrespectful behavior during class on [Date]. I was completely out of line, and my actions were a serious breach of classroom decorum. I take full responsibility for my behavior and understand that there is no excuse for what I did. I am truly sorry for the disruption and for my lack of respect.

Sincerely,

[Your Name]

2. Admitting Wrongdoing and Acknowledging Impact

Dear Professor [Professor's Last Name],

Please accept my sincere apologies for the disrespectful way I acted in your class. I realize now that my behavior was not only inappropriate but also disruptive to you and the other students. I have a great deal of respect for you and your class, and I deeply regret my actions. I promise to conduct myself with more maturity and respect in the future.

Respectfully,

[Your Name]

3. Expressing Regret and a Commitment to Change

Dear Professor [Professor's Last Name],

I am writing to express my profound apologies for my disrespectful comment during class on [Date]. I deeply regret my poor judgment and the thoughtless words that I spoke. My actions were unacceptable, and I am committed to learning from this mistake. I will strive to be more mindful and respectful of you and my peers.

Sincerely,

[Your Name]

Apology Letter to Professor for Plagiarism

Plagiarism is a severe misconduct that is never tolerated. It is dishonest to use someone else's work and sign it with your name. Plagiarism is never acceptable, and it will always result in penalties from most educational institutions, from elementary school to college and beyond. After being found guilty, a letter of apology for plagiarism will help you make changes for your error.

Here are some examples of an apology letter to a professor for plagiarism, which will demonstrate that you won’t repeat such an action.

1. Taking Full Responsibility

Dear Professor [Professor's Last Name],

I am writing to express my deepest apologies and to take full responsibility for my actions regarding [mention the assignment or paper]. I was dishonest and committed plagiarism, which was a serious breach of academic integrity. There is no excuse for what I did. I understand the gravity of my mistake and am prepared to accept any consequences. I am truly sorry for my actions.

Sincerely,

[Your Name]

2. Admitting Wrongdoing and Acknowledging Trust

Dear Professor [Professor's Last Name],

I am writing to sincerely apologize for my mistake. I know that my actions were a violation of your trust and the trust you place in all of your students. I deeply regret making the terrible decision to plagiarize on [mention the assignment or paper]. I understand that I have failed to uphold the standards of this course and the university, and for that, I am truly remorseful.

Respectfully,

[Your Name]

3. Expressing Regret and a Commitment to Change

Dear Professor [Professor's Last Name],

Please accept my sincere apologies for my poor judgment and for plagiarizing in your class. My actions were a serious lapse in judgment, and I am ashamed of myself. I have a great deal of respect for you and the academic process, and I am committed to learning from this mistake. I will strive to conduct myself with absolute integrity in all my future academic endeavors.

Sincerely,

[Your Name]

Read More: Sorry Message to Parents For Mistakes

Apology Letter to Professor for Missing an Exam

During our time in college, most of us have been there. You do your best to manage a variety of tasks, but a surprise problem happens. It is difficult, but you are forced to give up one class to focus on another. Regretfully, this can occasionally lead to missing exams and other evaluations. However, you should always speak with your professor to explain the cause for your absence from an exam.

Let's examine these samples of an apology letter to a professor for missing an exam and mention that you are ready to take the exam:

1. Taking Full Responsibility

Dear Professor [Professor's Last Name],

I am writing to sincerely apologize for missing the [Exam Name] exam on [Date]. I understand the gravity of my absence and take full responsibility for my failure to attend. I deeply regret my mistake and am prepared to accept any consequences. I hope we can discuss a possible solution at your earliest convenience.

Thank you for your understanding.

Sincerely,

[Your Name]

2. With a Brief Explanation

Dear Professor [Professor's Last Name],

Please accept my sincere apologies for my absence from the [Exam Name] exam on [Date]. I was unable to attend due to [briefly mention the issue, e.g., a sudden illness, a family emergency]. I have attached [mention the documentation, e.g., a doctor's note] for your review. I have studied for the exam and am prepared to take it as soon as possible.

Thank you for your consideration.

Respectfully,

[Your Name]

3. Expressing Regret and a Commitment to a Solution

Dear Professor [Professor's Last Name],

I am writing to express my deepest apologies for missing the [Exam Name] exam. I understand that this is a serious matter, and I deeply regret my poor judgment. I have a great deal of respect for your class and for your policies. I am committed to making this right and would be grateful for the opportunity to discuss my options with you.

Sincerely,

[Your Name]

If you were a professor, which of the above apology styles do you think suits you best? Comment your opinion!

Frequently Asked Questions

Q. What is the ideal length for an apologetic letter to a professor?

Typically, it should be one or two paragraphs, brief and direct.

Q. Can I include a request for another chance in my letter of apology?

Sure, but express your understanding if the professor opposes it in a humble and polite manner.

Q. Can I include supporting evidence with my letter of apologies, such as a medical note?

Attaching proof is acceptable if it confirms your justification (such as an illness or emergency).

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