Before You Ask Anyone
A letter of recommendation is the one part of your application that someone else writes, so the most useful thing you can do is make it easy for that person to write something specific. Here is the process in order.
1. Find Out What Each College Wants
Most selective US colleges ask for one counsellor recommendation and two teacher recommendations. Some accept an optional extra letter, which should only be used when it adds something the rest of your file does not, such as a research mentor or a long-term coach. Check every college on your list, because the numbers and subject requirements differ.
2. Choose Teachers Who Know Your Thinking
Pick two teachers from core academic subjects, usually from your junior or senior year. The best choice is not always the teacher who gave you the highest grade. It is the one who has watched you struggle, ask good questions and improve.
If you plan to study a particular field, one letter from a related subject helps. A prospective engineering student might ask a maths or physics teacher, plus a humanities teacher who can speak to their writing and discussion skills. Avoid asking someone who barely knows you only because they have a prestigious title.
3. Ask at the Right Time
The best window is late in your junior year or the first weeks of senior year. Give teachers at least four to six weeks before your earliest deadline, and more if your school has an internal schedule. Ask in person or in a short, polite email, and phrase it so they can say no: "Would you feel able to write a strong letter for me?" A teacher who hesitates is giving you useful information.
4. Give Them Something to Work With
Provide a one-page summary, often called a brag sheet, that includes:
- The colleges you are applying to and your intended major
- Two or three moments from their class that you remember, such as a discussion, project or piece of feedback
- Activities and goals that do not show up in your grades
- Your deadlines, listed clearly
Be specific. "You pushed me to rewrite my lab analysis, and that changed how I approach data" is far more useful than "I enjoyed your class."
5. Handle the Common App Steps
In the Common App, add each recommender in the Recommenders and FERPA section and send the invitation. You will also be asked whether to waive your right to view the letters. Waiving is optional, and colleges say it does not affect how your application is judged, but most students waive it because it signals that the letters are confidential. Link your recommenders to each college only after your list is final, and check the platform to see when each letter has been submitted.
For the counsellor letter, schedule a meeting early. Share your list, your story and anything about your school context that is not obvious from your transcript. Counsellors often write for many students, so the more they know, the more personal the letter.
6. Follow Up Without Nagging
One gentle reminder about two weeks before a deadline is reasonable. Do not keep checking the portal. After you submit, send a handwritten note or email of thanks, and tell your recommenders where you end up. They remember, and it matters.
What Makes a Letter Count
Admissions readers are looking for a few things: concrete stories rather than adjectives, evidence of curiosity and effort, comparison to other students the teacher has taught, and signs of how you treat other people. A letter that says you are "hardworking and a pleasure to have in class" does little. One that describes the day you stayed after class to rework a proof can change how your file reads.
Mistakes to Avoid
- Asking at the last minute, which produces rushed letters
- Choosing only for status or grades
- Submitting no context, so the teacher has to guess
- Forgetting to confirm the letters actually arrived