catch-up classes

noun
UK /ˈkætʃʌp ˈklɑːsɪz/
US /ˈkætʃʌp ˈklæsɪz/

Extra classes you take to learn things you missed.

Mia took catch-up classes on Saturday to get better at math.


OTHER MEANINGS

2. Classes that help students who fell behind because they were sick or absent.

After being sick for a week, Leo joined catch-up classes to learn what he missed.

3. Lessons that help someone learn a new skill faster than usual.

The new workers took catch-up classes to learn the computer system quickly.

4. Classes that bring students up to the same level as their classmates.

The school started catch-up classes for kids who needed extra reading practice.