That mirrors what we've found over seven years (not with CTY, but with Connections, which is now-- ironically-- a Pearson subsidiary wink ).

The teacher makes (or breaks) the course, as often as not. If they exercise a great deal of autonomy over how to use course materials, the course can be very good, and if the teacher basically just turns students loose with the canned product and shrug off questions... not so much.


Schrödinger's cat walks into a bar. And doesn't.