After Chinese, Spanish is the second most spoken language in the world. It has also become increasingly important as a language of business following significant economic growth in many Spanish-speaking countries.

One Tongue offers exam preparation services, and can help you perform exceptionally well in the following Spanish exams:

Diplomas de Español como Lengua Extranjera (DELE)

Certificado de Español: Lengua y Uso (CELU)


The DELE is a qualification recognized by the Ministry of Education in Spain. Exams are offered in the Spanish Instituto Cervantes in various countries around the world.

The DELE tests your facility with linguistic building blocks that include reading comprehension, writing and speaking skills, and oral comprehension (listening skills).

This test is not only recognized by institutions of higher learning around the globe, but is a valued asset in the world of business as well. We ensure that you are absolutely prepared to handle this exam with ease and be duly certified.


The Certificate of Use of Language in Spanish is another Spanish Language certification that holds international recognition.

The proficiency test for this certification in Spanish as a foreign Language is available in Argentina. The CELU provides foreigners, whose native tongue is not Spanish, with an opportunity to conclusively demonstrate their facility with the Spanish language.

Our Spanish tutors will help you get ready for the test so that you are fully prepared to pass with confidence.


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