Focus heavily on reading and math achievement, enforce high behavioral expectations through a formal discipline system, lengthen instructional time, and increase feedback on teacher performance
Create a school culture of high behavioral and academic expectations, with intense tutoring, increased teacher performance feedback, lengthened instruction time, and health care services
Prevent radon from entering occupied buildings and reduce existing indoor air radon levels via soil depressurization, home or room pressurization, heat recovery ventilation, etc.