11.   Most days, Naomi Franklin and Lidia Jimenez and Jiao Liang are standing in the front of the classroom teaching, as they have for years.

12.   This homework complements a program of classroom teaching far more rigorous than that of most other public high schools.

13.   We started our people off with some classroom teaching, but the bulk of the program put them in teams working on actual projects.

14.   Firstly, this column is dedicated to giving you ideas and some tentative advice on ways in which you might improve your classroom teaching.