0 = no state system and no state mandate for particular district testing; or otherwise not scorable (fairtest.org)
In response, savvy exam school promoters sometimes enter into treaties with the regular high schools — a sort of reverse quota system — and promise not to admit more than so many youngsters from particular districts or neighborhoods. (educationnext.org)
Third, while the specifics in CBAs in particular districts tend to persist over time, there are differences across districts in what shows up in them. (educationnext.org)