Study abroad·Europe· 8 min read

DELE and SIELE: Which Spanish Test to Take and How They Differ

DELE vs SIELE explained for students heading to Spain: who issues each test, CEFR levels, validity, pass/fail vs 0-1000 scoring, format and results speed. Verify with the official body.

Last updated 3 July 2026

Key facts

CEFR levels covered: DELE: A1-C2 (one exam per level). SIELE: scored 0-1000 mapped to CEFR up to C1. Verify on the official site.
Issued / backed by: DELE: Spain's Ministry of Education, administered by Instituto Cervantes. SIELE: Instituto Cervantes, UNAM, University of Salamanca, University of Buenos Aires.
Scoring: DELE: pass/fail at the chosen level. SIELE: 0-1000 score mapped to a CEFR level (not pass/fail).
Validity: DELE: indefinite (does not expire). SIELE: 5 years.
Results speed: DELE: roughly 3 months. SIELE: about 3 weeks. Confirm current timelines officially.
Accepted level for your programme: Set by each university (often B1/B2/C1). Always verify the exact certificate and minimum level with the university.

Why a Spanish certificate matters for studying in Spain

If you want to study a Spanish-taught programme in Spain, or a partly-Spanish one, most universities will ask for proof of your Spanish level on the Common European Framework of Reference (CEFR) scale, which runs from A1 (beginner) to C2 (mastery). The two names you will keep seeing are DELE and SIELE. Both are official, both map to the CEFR, and both are widely accepted, so the real question is which one fits your timeline and the exact level your programme demands.

The most important habit to build early: read your specific programme's admission page and ask the admissions office which certificate and which minimum level (often B1, B2 or C1) they accept. Requirements differ by university, by faculty and by whether the degree is fully Spanish-taught. Treat everything below as an orientation to how the two tests are built, then confirm the exact rule against the official source.

CEFR levels A1-C2 are the shared language for stating your Spanish ability.
Both DELE and SIELE are official and accepted, but they are structured very differently.
Your target programme decides the minimum level - always verify it on the university's page.

DELE: the permanent diploma from the Spanish Ministry of Education

DELE stands for Diploma de Espanol como Lengua Extranjera. It is issued in the name of Spain's Ministry of Education and administered internationally by the Instituto Cervantes. There are separate DELE exams for each CEFR level from A1 to C2, so you register for one specific level and are tested at that level.

DELE is a pass/fail qualification: you either pass the level you sat or you do not. Its headline advantage is that, per the Instituto Cervantes, the DELE diploma has indefinite validity - it does not expire. Because it is offered on fixed international exam dates at official centres, results take roughly three months to arrive, so you need to plan around the session calendar well before an application deadline.

Issued by Spain's Ministry of Education; administered by the Instituto Cervantes.
One exam per CEFR level (A1-C2); you pick and sit a single level.
Pass/fail outcome; the diploma is valid indefinitely (Instituto Cervantes).
Fixed international sittings; results in roughly three months.

SIELE: the flexible, scored certificate valid for five years

SIELE stands for Servicio Internacional de Evaluacion de la Lengua Espanola. It is promoted and backed by the Instituto Cervantes together with the National Autonomous University of Mexico (UNAM), the University of Salamanca (USAL) and the University of Buenos Aires (UBA), and it deliberately reflects several regional varieties of Spanish.

Unlike DELE, SIELE is not pass/fail. The full exam (SIELE Global) returns a score from 0 to 1000 that maps onto CEFR levels, per the Instituto Cervantes, up to C1. It is computer-based, you can usually pick a date that suits you, and results arrive much faster - within about three weeks. You can also take a modular version to certify only certain skills. The trade-off: the SIELE certificate is valid for five years, not indefinitely.

Backed by Instituto Cervantes, UNAM, University of Salamanca and University of Buenos Aires.
Computer-based; scored 0-1000 mapped to CEFR (up to C1), not pass/fail.
Flexible dates and a modular option; results in about three weeks.
Certificate valid for five years.

Head-to-head: the differences that actually decide it

The two tests certify the same thing - your Spanish - but they suit different situations. DELE is the better fit when a university explicitly asks for DELE, when you want a certificate that never expires, or when you specifically need a C2 diploma (SIELE's scored range tops out at C1). SIELE is the better fit when you are on a tight timeline, want to test on a flexible date, or only need to certify particular skills.

Because acceptance is set by each institution, do not assume the two are interchangeable for your case. Some programmes name one certificate; some accept either; some also accept a university's own placement test. Confirm exactly which certificate and level your programme lists before you pay for and book an exam.

Need C2, or a certificate that never expires, or DELE is named - lean DELE.
Need speed, flexible dates, or only some skills certified - lean SIELE.
Acceptance and minimum level vary by university - verify before booking.

How to choose and register, step by step

Start from the requirement, not the test. First, find your programme's exact Spanish requirement (certificate accepted + minimum CEFR level + any deadline). Then match it: if a specific level and permanence matter, plan a DELE session; if speed and flexibility matter, plan SIELE.

Register only through official channels - the Instituto Cervantes and official DELE examination centres for DELE, and siele.org (and Instituto Cervantes-affiliated centres) for SIELE. Watch the calendar: DELE has fixed international dates with registration windows, so a late booking can push your result past your application deadline. Keep proof of your booking and note when results are released so you can upload the certificate on time.

Requirement first, test second - confirm certificate + level + deadline.
Register only via official channels (Instituto Cervantes / official centres / siele.org).
Mind DELE's fixed dates and ~3-month result time; SIELE is faster and flexible.
Verify fees, dates and accepted levels on the official site - they change.

Frequently asked questions

Is DELE or SIELE better for a Spanish university application?

Neither is universally better - it depends on what your programme asks for. Some universities name DELE, some accept SIELE, and some accept either or their own test. Check the programme's admission page for the accepted certificate and minimum CEFR level, and verify it with the admissions office before booking.

What is the biggest practical difference between them?

Two things: validity and speed. The DELE diploma is valid indefinitely but results take about three months on fixed dates; SIELE is scored 0-1000, is valid for five years, has flexible dates and returns results in about three weeks. These are per the Instituto Cervantes - verify current details officially.

Can I certify a C2 level with SIELE?

SIELE's scored range maps onto the CEFR up to C1. If you specifically need a certified C2, DELE has a dedicated C2 exam. Confirm on the official site whether the level you need is available on each test.

Do these certificates expire?

The DELE diploma has indefinite validity, so it does not expire. The SIELE certificate is valid for five years. If your certificate must still be valid at the moment you apply, plan the timing accordingly and verify on the official body's page.

Where should I register to avoid scams?

Register only through official channels: the Instituto Cervantes and official DELE examination centres for DELE, and siele.org or Instituto Cervantes-affiliated centres for SIELE. No third party can guarantee a result or level - the outcome depends on your exam performance. Verify fees and dates on the official site.

How long before the deadline should I book?

For DELE, book well ahead: it runs on fixed international sittings with registration windows, and results take about three months, so a late booking can arrive after your application deadline. SIELE is faster and more flexible, but still leave a buffer. Always check the current calendar on the official site.

Official sources

This guide explains the process and is for guidance only. Eligibility, dates, fees and rules change every year — always confirm the current details on the official site before you act.

Verified against: Instituto Cervantes (Nueva Delhi) - Difference between DELE and SIELE; Instituto Cervantes - About the SIELE exam; SIELE - official exam information.

Last verified: 3 July 2026.