Paying students for attendance, behavior and homework can boost achievement
wsj.com
wsj.com
It seemed to work at least a little, because people got really stressed out when they were running out of money. This was mainly to teach how money works, but it probably had bonus behavioral side effects to boot.
https://www.chicagobooth.edu/review/should-we-pay-students-g...
From what I remember, the technique is generally effective but still not a magical, 100% solution. Peer pressure, family life, and mental health/fitness are still going loom large in academic success.
Another successful approach in Baltimore: