What else could possibly explain this?
The study, “The Majority Report: Supporting the Success of Latino Students in California,” found that in every California county, a majority of Latino students were not proficient in math or English language arts, based on Smarter Balanced test scores. By comparison, a majority of white students scored proficient in English language arts in more than 40 counties, and in math in more than 20 counties.
Latino students in California face large inequities compared to white peers
An Education Trust-West study found wide achievement gaps, even though Latino students make up a majority of students.