What seems to be the key although not the rule) to upward social mobility?

Question

Quizplus · Accepted Answer

Education is often considered a key factor in achieving upward social mobility, as it can lead to better job opportunities, higher income, and improved social status. While other factors like parental wealth, number of jobs, and personal appearance can influence social mobility, education is widely recognized for its potential to enable individuals to move up the social ladder.

What Seems to Be the Key Although Not the Rule)