1. Introduction: Towards Optimal Learning Environments in Schools.- 2. Aims of Education Revisited (Einstein's E = MC2 of Education).- 3. The Nature Engagement in Schools.- 4. Measuring Student Engagement in High School Classrooms and What We Have.- 5. Engagement as an Individual Trait and its Relationship to Achievement.- 6. Connecting to "The How" of Classroom Engagement: Instruction and Optimal.- 7. Connecting to "The Who": The Primacy of Supportive.- 8. Connecting to "The What": Engaging Approaches to Traditional Subject Matter.- 9. Engagement Beyond the Core Academic Subjects.- 10. Private School Models and The Case of Montessori Schools.- 11. Alternative Public School Models.- 12. Learning from Research on Youth Engagement During Out-of-School Time.- 13. Model After-School Programs.- 14. Technological Innovations on the Horizon.- 15. Re-engineering the Schools of Tomorrow: Towards Community Sponsorship.