The answer includes recommended websites and jewelry schools to try.
The Jeweler's Bench
Be a Jeweler and Bring More Sparkle Into the World
Bench Jeweler Overview What is a bench jeweler? - Zippia
The Complete Jewelry Making Course: Principles, Practice and
Real Jeweler vs a Jewelry Counter Clerk for Your Engagement Ring
Setting Up a Jewellery Workshop at Home - Workshop925
Essential Tools for Your New Jewelry Studio - Halstead
Bench Certification Jewelers of America
Best and Worst Uses for Bank Safe Deposit Boxes
Looking for advice from jewelers about bench I designed : r/jewelers
Bench Certification Jewelers of America