Why has my level changed?

English Premium / Tweens

Probably, your teacher  has moved you to another unit or level.

English Essentials

If your teacher has enabled automatic level adjustment, your level may be adjusted based on your performance. If you get four consecutive scores of 80% or higher for one skill, your level for that skill will go up. If you get four consecutive scores of 40% or lower for a skill, your level for that skill will go down.