WASC accreditation is one thing, articulation between schools is another.
An articulation is an agreement between schools. If Heald has an an articulation agreement,
Heald's classes are considered to be equal to that of another institution, and a student's class will transfer.
Accreditation is not necessarily a guarantee that credits will transfer between institutions, although it does make it far more likely.
Heald might have accreditation, but probably does not have many articulation agreements with other locals jcs or other four year institutions.