Courses available at TELC: Conversation Classes for all levels. Kids and Teen Classes English for Specific Purpose English for Academic Purpose Business English TOEFL Preparation Classes Courses with certificates: Beginners Elementary A Elementary B Elementary C Pre - Intermediate A Pre - Intermediate B Pre - Intermediate C Intermediate A Intermediate B Intermediate C Intermediate D Upper - Intermediate A Upper - Intermediate B Upper - Intermediate C Upper - Intermediate D Advanced A Advanced B Advanced C Advanced D