Educator has questions about science scores

I have SO MANY QUESTIONS! Here are just a few:

1) What happens to the “data” when it is broken out simply by school buildings, especially those whole buildings that happen to be located in high-poverty areas? In other words, what is the gain in identifying the “subgroups,” when it is highly likely that those whole schools full of children did poorly on these tests?

2) Of the students who did not show high achievement, did they not only not have something to eat on the day of the test – what about their nutrition for the prior month? Year? Years? What was their mom’s nutrition like during her p...