Union apprenticeship sign-ups near Milwaukee after 14 years as a barista

I heard of an apprenticeship with paid on-the-job training for people changing careers. This is my first time dealing with any of this. Classes are in the evening and work is during the day. How hard is the test?

The aptitude test was mostly maths and reading a diagram. Free practice tests online were enough for me.

Thanks for writing this out. I went through something close to it 9 months ago, and it got easier once I kept a simple log of every call and form.