The conservatory offers master classes every summer for aspiring musicians.

When working modulo 7, the residue classes partition the integers into seven distinct sets.

You can extend the framework by creating multiple derived classes that override its core methods.

In advanced theory, composers analyze interval classes to understand pitch-class relationships.

During the code review, we discovered that the super classes had inconsistent method signatures.

Local gardens offered free weeder classes every Saturday during the summer.

In complex geometry, Chern classes provide essential invariants for classifying vector bundles.

In my linguistics class, we compared word classes across different languages.

In the taxonomy, we identified several sub-classes that required distinct handling.

The museum's exhibition on historical school uniforms included photographs of trousered classes from the 1920s.