‘Alarming’ new test-score gap discovered in Seattle schools

Brian M. Rosenthal:

African-American students whose primary language is English perform significantly worse in math and reading than black students who speak another language at home — typically immigrants or refugees — according to new numbers released by Seattle Public Schools.
District officials, who presented the finding at a recent community meeting at Rainier Beach High School, noted the results come with caveats, but called the potential trend troubling and pledged to study what might be causing it.
Michael Tolley, an executive director overseeing Southeast Seattle schools, said at the meeting that the data exposed a new achievement gap that is “extremely, extremely alarming.”
The administration has for years analyzed test scores by race. It has never before broken down student-achievement data by specific home language or country of origin — it is rare for school districts to examine test scores at that level — but it is unlikely that the phenomenon the data suggest is actually new.