in 38 of these schools, all of the pupils left at age 16 after year 12. and 16 schools had at least 75% of their pupils going on to fe. i listened to the book on audio, and it was amazing. the staff made me feel at complete ease and very comfortable. it is comforting to read the comments as i plan to retire at the end of this year. bring to boil, then simmer over medium heat for 20 minutes, whisking often. aside from the list above, there are two other concerns that you should know of. 