The education entrepreneur Adam Robinson did his own survey a few decades ago. He found that while children of two immigrants did better on standardized tests than children of two non-immigrant parents, the "best" combination came from having an immigrant father and a non-immigrant mother. ("Best" when focusing solely on standardized test results)
Study of NYC school data and using custom questionnaires of teens across the world testing into Stuyvesant HS Cutting to the conclusion: Groups that overcame socioeconomic factors to improve on tests (test improvement is more sensitive to those factors than outright performance) had the following factors: immigrant father US-born mother Speculation to why this mattered? One parent to impart work ethic, one parent to impart language. The gender didn’t matter, it just turned out that the father typically tended to be the immigrant. This combo even outperformed both parents being born in the US.