C1 (Advanced)

At the C1 level, learners can produce clear, well-structured, detailed text on complex subjects related to their field of interest. They can express themselves fluently and spontaneously without much obvious searching for expressions. Learners can use language flexibly and effectively for social, academic, and professional purposes. They can produce well-structured, detailed text on complex subjects, showing controlled use of organizational patterns, connectors, and cohesive devices.