DELF is based on standard proficiency levels set by CEFR and is optional for FSL students to certify their language proficiency, typically in secondary grades. It also provides a basis for CF teachers to assess their students’ progress in developing language proficiency.
DELF diploma information from the Alliance Francaise in Vancouver
Canadian platform for DELF/DALF from the French Embassy
Ambassade de France au Canada
Destination DELF for students and parents (Ontario)