Four things. Classroom practice, through a 15-minute walkthrough built on a published observation tool from the University of Connecticut. Teacher use and workload, through a weekly log that takes under three minutes. Your own records, meaning office referrals, suspensions, and attendance, compared with the same months last year and with your untrained schools. And teacher confidence and climate, through a ten-minute survey built from the Teachers' Sense of Efficacy Scale and the federal teacher survey's questions about misbehavior and rule enforcement.