There are 3 DELF diplomas officially recognized:
DELF Prim (Children)
DELF Prim is for children who are beginners in French as a Foreign Language and who are undertaking studies corresponding to the French elementary level.
DELF Prim corresponds to the initial levels of the Common European Framework of Reference for Languages (CEFRL) A1.
DELF Junior (Teenagers)
The junior version of DELF has the same basic structure as the standard DELF, divided on 4 levels: A1, A2, B1, B2.
It can only be taken by children of secondary-level age. The tests are built on the same model as the DELF for adults, but with topics adapted to suit the age group in question.
DELF, diplôme d’études en langue française (Adults)
This level recognises basic knowledge, called the « discovery » stage.
It recognises the linguistic competency of a basic user, considered as a social actor.
At this level, the user becomes independent. He/she can maintain interactions.
At this level, the candidate has a degree of fluency and spontaneity in regular interactions and is capable of correcting his/her own mistakes.
Those informations are taken from the official CIEP website.
For more informations and tests samples, please follow this link: CIEP Official Website
Photo credits: CIEP