termsPerYear

This term is proposed for full integration into Schema.org, pending implementation feedback and adoption from applications and websites.

Thing > Property > termsPerYear

The number of times terms of study are offered per year. Semesters and quarters are common units for term. For example, if the student can only take 2 semesters for the program in one year, then termsPerYear should be 2.
Values expected to be one of these types
Number
Used on these types
EducationalOccupationalProgram

Source

https://github.com/schemaorg/schemaorg/issues/2419