How to Ask Teachers for Recommendation Letters

Ask two teachers who taught you in a core academic subject, ideally in junior year, and who have seen you work hard, participate and grow. Ask in person late in junior year or in the first weeks of senior year, at least a month before your earliest deadline. Then follow up with a short email and a one-page summary of your plans, standout moments in their class and deadlines.

Which teachers to ask

Colleges use teacher letters to see how a student thinks, works and treats others in a classroom. The best recommender knows the student well, not necessarily the one who gave the highest grade.

Junior year core teachers: English, math, science, social studies or world language. They saw the student recently and in demanding courses.
Two different subjects: often one in the humanities and one in math or science, especially if the student is applying to a specific program.
A teacher who saw growth: a student who struggled early and finished strong can give a teacher a better story than an easy A.
Check each college’s rules: some programs ask for a teacher in a specific subject, and some limit how many letters they accept.
The counselor letter is separate. Most colleges also want a counselor recommendation, handled through the school. Make sure the school counselor knows you too.
Extra letters: from a coach, employer or activity leader only if a college allows them and they add something new.

When to ask

Late junior year is ideal. Teachers can plan over the summer, and some teachers limit how many letters they write, so early askers get a yes.
Early senior fall works if you missed spring, but ask in the first week or two.
Give at least four weeks before the first deadline, more if applying early decision or early action.

How to ask

Ask in person. Catch the teacher before or after class, or ask for a few minutes at lunch.
Keep it simple. For example: “I really valued your class and I am applying to college this fall. Would you be comfortable writing a strong recommendation for me?” The word strong gives the teacher room to say no if they cannot.
Accept a no gracefully. A reluctant letter helps no one. Thank them and ask someone else.
Follow up by email the same day with a thank-you, your list of colleges and deadlines and your summary sheet.

What to give recommenders

Teachers write dozens of letters. A short summary sheet (sometimes called a brag sheet) helps them write one that sounds like you. Keep it to one page:

Colleges, application plans and deadlines, in date order.
Your intended major or interests, even if loose.
Two or three specific moments from their class: a project you were proud of, a question you kept chasing, a time you helped a classmate or recovered from a bad test.
What you hope the letter can speak to, such as curiosity, persistence or leadership in group work.
Your main activities and responsibilities outside school, briefly.
Any forms or instructions for submitting the letter.

The application side

Invite recommenders through whichever application system your school uses, after you ask in person.
Most applications ask whether you waive your right to see letters. Many counselors suggest waiving it, since colleges may give more weight to confidential letters. Ask your counselor.
Check submission status about a week before each deadline. If a letter is missing, send one polite reminder.
Write a handwritten thank-you note once letters are in, and let teachers know where you end up in the spring.

Where a mentor helps

A mentor does not write or edit recommendation letters. A mentor helps with the part students tend to put off: choosing recommenders thoughtfully, practicing the ask, drafting the summary sheet and keeping the follow-up on schedule. Parents join the intro call and get regular updates. Learn more about mentoring for high school students. Being comfortable asking adults for help is a skill in its own right; see teen self-advocacy.

Common questions

How many recommendation letters do colleges want?

Many colleges ask for one or two teacher letters plus a counselor letter, and some ask for none. Check each college’s requirements.

Can a sophomore year teacher write a recommendation?

It is possible, especially if the teacher also taught the student later or advises an activity, but recent teachers usually write stronger letters.

Should my teen ask a teacher who gave them a B?

Often yes, if that teacher saw real effort and growth. A specific, warm letter from a B class can be stronger than a vague letter from an A class.

What if a teacher has not submitted the letter close to the deadline?

Send one polite reminder about a week before the deadline. If it is very close, let the counselor know.

Get started

Want help staying organized through application season? Call (888) 305 5422, email contact@blackburnmentoring.com or start with a short assessment. A member of our team reviews every assessment personally and sets up a free intro call.

How to Ask Teachers for College Recommendation Letters