Residency Rank List Strategy: 2027 Match Rules

Residency Rank List Strategy: 2027 Match Rules

Rank programs in the order you want to train there, leave off every program you would refuse, and certify the list by 9:00 p.m. ET on Wednesday, March 3, 2027. Ranking opens at 12:00 p.m. ET on Monday, February 1, 2027.

It is tempting to treat the list as a bet on where you will match. The NRMP algorithm makes that bet pointless. It starts at the top of your list and stops at the highest program that also ranked you, so a reach program at number 1 costs you nothing at number 2. The one error you cannot fix after March 3 is a program on the list that you would not attend, because a match there is binding. List length is a separate question, answered in how many residency programs to rank.

Every NRMP page and the 2027 Match Participation Agreement quoted below were checked on November 7, 2026, for the 2027 Main Residency Match. NRMP's help pages carry their own posting dates (2021 and 2022); the ones quoted here are the pages NRMP's 2027 applicant calendar links to.

The rules you are ranking inside

NRMP's Rank Your Programs page and the 2027 Match Participation Agreement (MPA) set the ground rules:

Fees are set per program code. NRMP's 2027 introduction for applicants says the $85 registration fee "Includes the listing of up to 20 unique NRMP program codes on the primary rank order list and up to 20 unique NRMP codes on all supplemental rank order lists combined." Extra-code and length fees are in rank fees and the 300-rank limit.

How the algorithm reads your list

NRMP's algorithm explainer: "The process begins with an attempt to match an applicant to the program most preferred on that applicant's rank order list (ROL). If the applicant cannot be matched to that first choice program, an attempt then is made to place the applicant into the second choice program, and so on, until the applicant obtains a tentative match or all the applicant's choices on the ROL have been exhausted."

The step-by-step version sets the condition for a tentative match: "Applicant A will be tentatively matched to a program if the program also ranks Applicant A on its rank order list," and either the program has an open position or "Applicant A is more preferred by the program than another applicant (Applicant B) already tentatively matched."

Three consequences follow from that text (our reading):

1. A reach program at the top is free. If it does not take you, the algorithm moves to your next rank as if the first were not there.
2. Your order does not change a program's order. The program compares you with other applicants using its own list. Your list only decides which of the programs that want you you end up at.
3. A program you rank can end the search. Once a program tentatively takes you, the algorithm tries nothing below it unless you are bumped.

Our view: order the list by where you would rather spend the next three to seven years, and by nothing else. The basis is NRMP's instruction above and the algorithm text: guessing your chances can only push a program you prefer below one you prefer less. The countercase: chances still matter for two other decisions, how many programs to rank and whether to add a second specialty. Those are list-length questions, covered in how many residency programs to rank and parallel planning for a backup specialty.

What to leave off your list

Use one test for every program: would you rather train here than go unmatched? If not, leave it off. If so, rank it in its true place.

• Programs you would refuse. Under MPA §7.4, matched applicants "Are in a binding commitment and must accept the appointment(s) offered by the training program(s)". Section 10.0 adds that "The binding commitment exists through the first 45 calendar days of the start date of the relevant appointment contract."
• Programs that did not interview you. No match will occur, per the rule above.
• Programs that will not sponsor your visa type. Confirm it before you certify (MPA §7.2). International graduates can start with the 2027 IMG rank order list guide.
• The wrong track. A program can list categorical, preliminary and primary care tracks under different codes. Rank the code for the track you interviewed for, and each track you rank counts as a rank.

A rank list worksheet you can copy

A spreadsheet will not tell you your preferences. It shows where your gut and your stated priorities disagree, and that is the decision. Run it like this:

1. Write down five factors that matter to you and give each a weight from 1 to 3.
2. From your interview notes, score each program from 1 to 5 on each factor.
3. Multiply each score by its weight and add (our arithmetic below).
4. Compare the total order with the order you would have written without the sheet. For each program that moves, name the factor that moved it, and decide whether that factor is really yours.

Constructed example: five programs, one reorder

Constructed example, written by us, not a real applicant's list.

Context (invented): an internal medicine applicant with five interviews. Factors and weights: training and case mix ×3, location and support system ×3, resident culture ×2, career fit (fellowship match, tracks) ×2, cost of living and pay ×1. The maximum total is 55 (our arithmetic: weights add to 11, times a top score of 5).

The applicant's order before the sheet was Oakmont, Darko, St. Imelda, Copper Ridge, Dunmore. The sheet's order is St. Imelda, Darko, Oakmont, Copper Ridge, Dunmore. The difference is one program: Oakmont leads on training and career fit and scores 2 on location, where the applicant's partner works. The applicant asks one question: on Match Day, would Oakmont feel like a win or like a move away from home? They answer the second, and move Oakmont from first to third. Then they apply the leave-off test to Dunmore: they would train there rather than go unmatched, so it stays, last. The sheet did not choose the order; it showed that Oakmont was first for its name.

Myths that change lists for the wrong reason

"Programs can see my rank list." They cannot. MPA §6.4: "Applicant information contained in the R3 system is confidential and accessible only to authorized users." You have the right to "Keep confidential all information pertaining to ranking preferences and SOAP preferences," and "Applicants may voluntarily share their rank order lists or SOAP preferences with their medical school advisor(s)". Under §6.5, programs are not authorized to "Request that applicants reveal their ranking preferences".

"Ranking a program first helps me match there." It does not. By the algorithm text above, a program takes you only if it ranked you and has room or prefers you to someone it holds. Your rank decides which offer you keep, not whether the offer exists.

"A program said I'm ranked to match, so I should move it up." Under MPA §6.4, "A program may voluntarily communicate to an applicant that they are viewed favorably and will be ranked by the program". That tells you where you stand at that program. It says nothing about where you want to train. The ranked-to-match email guide decodes these messages.

"A letter of intent will move me up their list." The evidence is thin, as does a letter of intent change your rank list shows.

Certification, changes and the March 3 deadline

From NRMP's 2027 applicant calendar:

The rules that catch people:

• Editing a certified list means certifying again. NRMP: "if a certified ROL is changed in any way, the new version must be re-certified to be used in the Match. The R3 system does not retain previous versions of a ROL, regardless of whether it was certified."
• The deadline is hard. "Changes cannot be made after 9:00 p.m. Eastern Time on the day of the applicable Rank Order List Certification Deadline, and only certified lists will be used in the Match."
• A missed certification has a 24-hour window. MPA §7.2.1: applicants who miss it "will receive notification from the NRMP. The individual must then login into the R3 system to complete late certification within 24 hours of the Rank Order List Certification Deadline."
• No exit after March 3. MPA §8.0: "Applicants may not withdraw themselves from the Main Residency Match after the Rank Order List Certification Deadline." For U.S. seniors, §8.1 says a sponsored applicant "may only be withdrawn from the Match by the applicant's medical school official or administrator."
• No side offers. MPA §7.5.1, between the deadline and Match status: "Applicants may not apply for, discuss, interview for, or accept any position that would run concurrent with positions offered in the Match."
• Do not wait. NRMP: "Do not wait until the last minute to enter your ROL in the R3® system. The servers may be overloaded and working slowly."

Our recommendation: certify a complete list in the first week of February and re-certify after every edit, so a certified list is always on file.

Prelims, couples and a second specialty

Advanced programs. If you rank PGY-2 advanced programs, NRMP says you "also can submit supplemental ROLs of preliminary PGY-1 programs that are linked to one or more advanced programs on the primary ROL". How to order the two lists, and what a partial match means, is in the supplemental rank order list guide.

Couples. A couple ranks pairs of programs, and the two lists must be the same length. The couples match rank list guide builds one pair by pair.

A backup specialty. NRMP's list recommendations: "If you are applying to a competitive specialty and you want to have a residency position in the event you are unsuccessful in matching to a program in your preferred specialty, also rank your most preferred programs in an alternate specialty." Where those programs sit is the subject of parallel planning for a backup specialty. If the list does not match, SOAP starts the same Monday; the Match Week 2027 SOAP schedule has the hours.

Checklist before you certify

1. Every program on the list is one you would attend rather than go unmatched.
2. Every program on the list interviewed you.
3. Each code is the track you interviewed for.
4. If you need a visa, each program's sponsorship of your visa type is confirmed.
5. The order is where you want to train. No line moved because of an email.
6. Each advanced program has a supplemental list attached, if you want a PGY-1 year matched too.
7. Unique codes over 20 are counted; $30 each is due at certification.
8. R3 shows what NRMP describes: "If your User Status is Certified, your Fee Status is Paid, and your Verification Status is Verified, you are all set for the Match and there is nothing left to do."
9. You re-certified after your last edit, before 9:00 p.m. ET on March 3, 2027.

Questions about residency rank lists

Should I rank a program I don't want?

No, if you would rather go unmatched than train there; a match is binding. If you would take it over going unmatched, rank it below every program you prefer.

Can residency programs see my rank list?

No. MPA §6.4 makes ranking preferences confidential, and §6.5 bars programs from asking for them.

Does ranking a program first help you match there?

No. Your order decides which willing program you get, not whether a program is willing.

Can you recertify a rank list?

Yes, any number of times before the deadline. Each edit needs a new certification, and R3 keeps no earlier version.

When is the 2027 rank order list deadline?

Wednesday, March 3, 2027, at 9:00 p.m. ET. It is also the applicant withdrawal deadline. More residency guides are on the medical school essays hub.

Review the writing you send next

Once the list is in order, the one letter worth writing goes to the program on line 1, and to no other program. Get a free Quick Review of your residency letter of intent: it checks that the letter ties a named feature of the program to what you would do there, states your interest at its true strength, and asks the program nothing about its ranking. If you are adding a backup specialty, check that statement against the ERAS residency personal statement rubric. Deciding whether a second look is worth it comes before you finalize the order.

Already told a program it was first? See changed your mind after a residency letter of intent.

Collect the answers your list needs with questions to ask at a residency interview.

Sources

Retrieved November 7, 2026, except where noted.

• NRMP, Ranking Programs in the Main Residency Match (no year stated): true-preference rule, who to rank, tracks, 300-rank limit, re-certification, 9:00 p.m. ET cut-off, last-minute warning.
• NRMP, 2027 Main Residency Match Participation Agreement for Applicants (2027 Match): §6.4 confidentiality, §6.5 restrictions on persuasion, §7.2 visas, §7.2.1 late certification, §7.4 binding commitment, §7.5.1 no concurrent positions, §8.0 and §8.1 withdrawal, §10.0 45 days.
• NRMP, 2027 Main Residency Match Applicants Calendar (2027 Match): registration, ranking, certification, Match Week dates and times.
• NRMP, Introduction to the 2027 Main Residency Match for Applicants (2027 Match): $85 registration, $30 extra rank fee, length fees.
• NRMP, How many programs can I rank? (posted March 17, 2022): each ranked track counts as a rank.
• NRMP, How does the matching algorithm work? (posted August 5, 2021) and The Matching Algorithm (no year stated): applicant-proposing process and tentative match condition.
• NRMP, Should I rank all the programs at which I interviewed? (posted March 17, 2022): binding commitment, no ranking without interview.
• NRMP, How do I know that my Rank Order List is certified? (posted March 17, 2022): R3 status check.
• NRMP, Do I need a supplemental rank order list? (posted March 17, 2022) and Recommendations for Constructing a Rank Order List (posted July 21, 2021): supplemental lists and alternate-specialty advice.