The evidence would suggest that there are some great alternative certification programmes and some lousy ones. There are some wonderful traditional education schools, and some that aren't so effective. What's important is less the pathway than the impact on students.

The evidence would suggest that there are some great alternative certification programmes and some lousy ones. There are some wonderful traditional education schools, and some that aren't so effective. What's important is less the pathway than the impact on students.

People are attracted to teaching because they want to make a real impact. The teachers who are making the greatest difference go far beyond meeting standardised test measures. They aspire to truly level the playing field for their students, which means inspiring a love of learning, fostering the highest levels of critical thinking, building perseverance in working towards academic excellence, and so on.

I have not seen that standardised tests make the profession less attractive, though some principals respond to them in a way that drives the best teachers out of their schools (by over-emphasising test prep in the school curriculum for example). On the other hand, great teachers want benchmarks to measure progress and tests can help with that.

When school district officials literally laughed at the notion that the Me Generation — this was the label for my generation — would jump at the chance to teach in urban and rural communities, their concerns, too, went unheard. My very greatest asset was that I simply did not understand what was impossible.

The most successful teachers in low-income communities operate like successful leaders. They establish a vision of where their students will be performing at the end of the year that many believe to be unrealistic. They invest their students in working harder than they ever have to reach that vision, maximise their classroom time in a goal-oriented manner through purposeful planning and effective execution, reflect constantly on their progress to improve their performance over time, and do whatever it takes to overcome the many challenges they face.

The most reliable way to be certain of their classroom impact is through independent studies conducted by third-party organisations which compare the student growth in our corps members' classrooms to that of other teachers in similar situations.