What are 2 or 3 “right approaches” for improving diversity in tech? Unless, the view is that practices until now have been right? Cultural support for STEM com

What are 2 or 3 “right approaches” for improving diversity in tech? Unless, the view is that practices until now have been right? Cultural support for STEM comes through parents who themselves are capable of sitting at the dinner table to help kids with their math and science homework. Parents who encourage careers such as mechanical engineering, not just being a car mechanic because that feels most familiar to people they already know. So what are some “right approaches” for achieving more diverse workforces?