Successful implementation of evidence-based educational practices at scale is of great importance but has presented significant challenges. In this article, the authors address the following questions: How does the level of on-site technical assistance affect student outcomes? Do teachers' fidelity of treatment implementation and their perceptions…

Prereferral intervention is designed to reduce referrals for special education placement, by modifying teacher instruction or management of difficult-to-teach (DTT) pupils prior to formal referral. A 3-year project is described in which Mainstream Assistance Teams offer consultation services to teachers in elementary and middle schools. The…