The gap. As John Adams said

; I'm not a doctor, but I watch a lot of "House, M.D." ; Why isn't that on the list?

The five keys. Mr. Brodinsky, please see the principal

and bring your suitcase ; Making Clark Kent into Superman ; You had me at "data" ; That's right, I said it. Small schools ; Danny, see me after school

and before

and over the summer

Conclusion. Something else John Adams said

Appendix A. Fifty schools that are closing America's achievement gap

Appendix B. A short note on statistical significance, standard deviation, and effect size.