You’ve seen “DELF B2” or “DALF C1” mentioned somewhere: a university’s admissions page, a naturalization checklist, a tutor’s bio. What’s confusing is that it doesn’t work like most exams you’ve taken. There’s no single DELF you sit and get a grade back on. You register for one specific level, you either pass that level or you don’t, and the diploma you walk away with never expires. That’s different enough from how most credentials work that it trips people up before they’ve even picked a level. Getting the structure, the scoring, and the level-to-goal match right up front means you register for the right diploma the first time.

What DELF and DALF are, and who issues them

DELF (Diplôme d’études en langue française) and DALF (Diplôme approfondi de langue française) are official French-language diplomas issued by the French Ministry of National Education. They are administered worldwide by France Éducation International, a national public institution founded in 1945 and known until 2019 under its former name, CIEP (Centre International d’Études Pédagogiques). France Éducation International trains examiners, sets the exams, and issues the diplomas through a network of accredited centers, working with a designated DELF-DALF management center in each country.

DELF and DALF are really one family split across the full CEFR scale, not two competing products:

• DELF covers the first four CEFR levels: A1, A2, B1, and B2. Each level is its own independent diploma.

• DALF covers the advanced levels: C1 and C2. Same issuing body, same exam philosophy, a separate diploma for each level.

So “the DELF” isn’t a single test with a sliding difficulty. There are six independent diplomas across DELF and DALF (A1, A2, B1, B2, C1, C2), and you register for the specific one that matches where you are.

A related detail worth knowing early, since it changes how you plan: DELF and DALF diplomas are valid for life. Unlike some other French-proficiency tests, once you hold a DELF B2, it stays a DELF B2 forever. There’s no renewal, no re-test requirement, no expiry date on the certificate itself.

The six levels, and what each one actually tests

Every DELF and DALF level tests the same four skills, listening, reading, writing, and speaking, but the length, complexity, and format shift substantially as you move up the scale. All levels share the same basic exam day structure: three collective tests (listening, reading, writing) taken in a room with other candidates, plus one individual test (speaking) taken alone in front of two examiners.

The progression is steep. At A1, production écrite means filling out a form and writing a 40-word message in 30 minutes. At B2, it’s a full 250-word argumentative essay in an hour. Speaking follows the same curve: five to seven minutes at A1 grows to fifteen minutes at B1, then at C1 and C2 becomes a real academic exercise: synthesizing multiple documents, building an argument, and defending it in a discussion with two examiners.

How DELF and DALF scoring works

The scoring rule is the same at every DELF level and at DALF C1: each of the four skills is scored out of 25 points, for 100 points total. To earn the diploma, you need two things at once: a total score of at least 50 out of 100, and a minimum of 5 out of 25 on every individual skill. That second condition is eliminatory: score a 4 or below on any one skill, even with a strong total, and you don’t get the diploma. A candidate who’s excellent at reading and writing but scores 3/25 on speaking fails the exam outright, regardless of total.

DALF C2 works differently, because its two combined tasks replace the usual four independent skills. Each of the two combined tests (reading+writing, and listening+speaking) is scored out of 50 points, for the same 100-point total. The pass conditions scale accordingly: 50/100 total, with an eliminatory minimum of 10 out of 50 per test rather than 5 out of 25. It’s the same underlying logic, a floor on each half of the exam rather than just an overall average, recalibrated for two 50-point tests instead of four 25-point ones. Don’t assume C2’s scoring is identical to every level below it; the point values are doubled because the tasks are combined, not because the standard changed.

Registering, fees, and logistics

There’s no single global DELF/DALF registration portal. You register directly through an approved exam center, most commonly an Alliance Française, an Institut français, or a university language center, and each center sets its own calendar, exact fees, and (in some cases) its own minimum age and retake policy.

Two concrete, current examples of what that looks like in practice:

• CAVILAM–Alliance Française (Vichy, France), 2026 pricing valid through the end of the year: a DELF B2 sitting costs €176, plus a €20 registration fee for candidates who aren’t already CAVILAM students. The center runs DELF/DALF sessions across ten months of the year, each with its own registration deadline.

• Alliance Française de Paris: DELF B2 registration carries a €20 handling fee (waived for enrolled students), reserves the exam for adults 18 and older, and requires a minimum 45-day wait before retaking the same level.

Treat both of those as single, dated examples rather than universal pricing. Fees, minimum ages, and retake waiting periods are set center by center, not centrally by France Éducation International. Confirm the actual numbers at whichever center you plan to use before you commit to a date.

A few things that are more consistent across centers: you need a valid ID document for every part of the exam, and results typically follow a two-stage timeline: a provisional score report within four to six weeks of your test date, then the official diploma itself arriving a few months later once France Éducation International has centrally processed and issued it.

Which level you actually need, by goal

Important: Please validate these assumptions with the institution you are working with as requirements do change.

This is the part most people skip past, and it’s the part that matters most. The level you should target depends entirely on what you’re using it for.

For university admission, the floor is generally DELF B2, with DALF C1 more commonly expected for graduate programs, humanities and social-science tracks, and competitive grandes écoles. Campus France’s “Études en France” platform accepts DELF B2, DALF C1/C2, or a TCF score of 400 or higher as proof of French for the large majority of application types, but every institution can add its own requirement on top of that floor, so check the specific program, not just the platform-wide minimum.

For French citizenship, the requirement changed recently and is worth getting precisely right. Since 1 January 2026, an applicant for naturalization or a marriage-based nationality declaration must demonstrate French at a level equivalent to CEFR B2, up from the previous B1 threshold. This came from a 2024 immigration law implemented through a July 2025 decree and finalized by an arrêté dated 22 December 2025. That arrêté doesn’t name “DELF” by product. It defines the accepted proof as, in one category, “any diploma attesting to a French level at least equivalent to B2,” and in a separate category, specific language tests (TCF, TEF) that must be retaken every two years. DELF B2 and DALF C1/C2 fall under the diploma category: they satisfy the requirement, and because they’re diplomas rather than 2-year tests, they don’t expire for this purpose either. One structural point worth knowing: the B2 requirement applies across all four skills at once, and a DELF B2 diploma proves exactly that by definition, since you can’t hold the diploma without clearing the 5/25 floor on every section.

For everything else, a CV line, a personal goal, or proof for a tutor or employer who just wants to see a number, the level that matters is the one that’s honestly true of your French, not the highest one you can cram for. DELF/DALF’s real advantage in this use case is permanence: pass it once, and it’s evidence you can point to for the rest of your life, with no clock running out on it.

A prep plan built specifically for DELF/DALF

Because DELF and DALF fail you on your weakest skill regardless of your average, the smartest prep plan doesn’t spread effort evenly. It finds the skill most likely to dip below 5/25 (or 10/50 at C2) and protects it first.

1. Take a full practice exam before you study anything. Score all four sections honestly against the real rubric. Almost everyone finds one skill sitting closer to the eliminatory floor than the others. That skill is your actual prep plan, not a generic review of “everything.”

2. Focus on the timing of listening and reading sections. These sections are timed tightly relative to their length, especially from B1 upward. The fix is repeated timed practice with real past papers, not slower, easier practice material. You need to get comfortable extracting the answer before you feel fully certain.

3. Treat writing and speaking as distinct focus areas. You cannot read your way to a passing production écrite or production orale score. These sections are graded on whether you can generate organized, accurate French under time pressure and, at B2 and above, defend a position under questioning. The only practice that builds that is writing and speaking to the actual task format, on a timer, with every attempt corrected by someone who can name the specific error.

4. At C1 and C2, practice working from source material, not from memory. The advanced levels don’t ask you to talk about a topic you already know. They hand you documents and ask you to synthesize, argue, and defend a position built from them, on the spot. Practice that exact skill: read a short dossier, build an argument from it in a fixed time, and get corrected on both the French and the structure of the argument.

The shortest path to the diploma: find your weakest skill first, since that’s the one that can fail you outright regardless of your total. For writing and speaking specifically, the only practice that moves the needle is producing French under the real constraints and getting it corrected, not more reading or more grammar review.

How Dioma fits into DELF/DALF prep

If your practice exam shows listening and reading are solid but writing or speaking is the skill sitting near the eliminatory floor, that’s the exact gap Dioma is built to close. Comprehension improves naturally from enough input over time. Production improves from generating French under real constraints and having every mistake corrected and named, which is precisely what the DELF/DALF examiners are grading in production écrite and production orale.

Dioma gives you structured, level-appropriate writing and speaking practice with immediate, specific correction, so every attempt teaches you something rather than just repeating what you already do. It’s one part of a complete DELF/DALF plan alongside timed comprehension practice and, ideally, real conversation with a tutor familiar with the exam format.

A concrete next step: sit one timed practice section per skill, score it against the real rubric, and find the section closest to your eliminatory floor. If that section is writing or speaking, start practicing production with correction on Dioma and aim every session at getting that one skill comfortably clear of the line.

Frequently asked questions