Classes are one thing, but a lot comes down to experience and repetition. No class can ever cover all situations and variables. I do an repetition class every year, and learn new things every year.
To start, I'd join your local mountaineering club, if it exists at yours, to join experienced bc tourers, learn where the easy tours in your region are, learn from older ppl who have toured the region for decades, or do guided tours and suck up knowledge there.
To start, I'd join your local mountaineering club, if it exists at yours, to join experienced bc tourers, learn where the easy tours in your region are, learn from older ppl who have toured the region for decades, or do guided tours and suck up knowledge there.