With the state’s release of School Performance Reports for every school in New Jersey in 2013-2014, the first look may be at overall scores for each school, but there are other ratings that should be examined as well.
Among the Christie administration’s newest gauges is the so-called student growth percentile (SGP), which examines how children in each school progressed on state tests compared to their peers across the state.
Median Student Growth Percentile in 2013-14. Search by one or more variables. Sort any column by clicking.
Source: NJ Department of Education School Performance Reports
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Schools that show a median SGP at the 50th percentile or better are considered successful. Those below the 40th percentile are at the other end of the scale. The range is from the high 70s for those showing the most progress to the mid-30s for the least.
The approach has its limits, but the basic idea is to compare the students in each school against students who started the year at the same academic level and see how they gained or not on the state tests in language arts and math.
A note of caution: The measurement only works for the state’s elementary and middle schools, since those are the only years at the moment that have two consecutive years of testing.
And the science of the SGP model is hardly embraced universally, with some questioning whether it accounts enough for socio-economic differences.
Nevertheless, list of the top schools for a combined SGP is as follows: