In Canada, we have community colleges which have trade certification programs, most of which produce industry-respected diplomas and certifications, and they often dovetail the classroom part into an industry apprenticeship. Also, I understand that the Mercury factory training is well-regarded by the industry, but you need to be working (or sponsored) by a Mercury dealership to get in.
I've learned that when you have a serious goal, and stay tuned for any opportunities, any small step that moves you forward is worth taking. If I was a marine service manager, and some young person showed up wanting to discuss a career in the field, AND he/she could show me that they'd spent summers or after school doing ANYTHING marine related, and they brought knowledge, curiosity and good attitude... they jump to the front.
My brother got a life, a wife, and a trade from serving in the Canadian armed forces, so I can endorse that path too