I've heard that with the exception of 2A06 the core undergrad soc work courses do not have scheduled final exams. Is this the case?

Yup! 2A06 is the only social work class I've taken with an exam during the exam period. However, to make up for this you will have a plethora of essays, group projects, take home exams, and sometimes in class tests (Michelle Bates will do these).

i second that