LanguageCert IESOL C1: A Realistic 10-Week Prep Strategy

Going from a stable B2 to LanguageCert IESOL C1 typically needs 100–150 hours. Here's a 10-week breakdown that aims for steady gains rather than a heroic sprint, with daily and weekly checkpoints.

By PrepLearnio Editorial Team · Published 2026-04-25

LanguageCert · C1 · Strategy