core + pending (Pending Extension): these terms are pending wider review. Feedback is welcomed!

courseCode

Defined in the pending.schema.org extension.
Canonical URL: http://schema.org/courseCode

Thing > Property > courseCode

The identifier used for the Course (e.g. CS101 or 6.001)

Usage: Fewer than 10 domains
Values expected to be one of these types
Text
Used on these types
Course

Source

https://github.com/schemaorg/schemaorg/issues/195

Schema Version 3.1