????:1??????????:????????

2?????

3?2021??????

4?????app

5???????????

??????12?????????????19? ???????????«???????????????»???,????????????K-12?????,???????????????,??????????????????????????

????????????????,???????????????2021??,??????????????????????????50????????,????2010?2019?,???30??

12??16??????????????????,????????????????15??,?????

???,???

??,?????????????????????,?????,??,???????????????????????

??(Council on Criminal Justice)?????????????,2016??2022???????????????,?65%,???21%? ?????????:???