AbstractOriginally, the concept of resilience refers to one’s capacity to cope with unexpected shocks and unpredictable situations. Originating from ecological theories, the approach has gained ground in social sciences. In the context of education, the concept has been applied to explain how disadvantaged students can overcome structural constraints and become educationally successful and socially mobile (Werner, E. E., Vulnerable but invincible: a longitudinal study of resilient children and youth. McGraw-Hill, New York, 1982; Masten A. S., American Psychologist 56: 227–238, 2001; Reid, R., Botterrill L. C., Australian Journal of Public Administration 72:31–40, 2013; Máté, D., Erdélyi Társadalom 13:43–55, 2015).This paper is based on the analysis of the Hungarian National Assessment of Basic Competences (NABC) database which has been conducted annually since 2001. We created a typology of school resilience based on the schools’ social and ethnic profile as well as their performance indicators. We defined those schools resilient which over perform others with similar social intake, and we also identified irresilient schools which underperform others with similar social intake. The school types were created by correlating the socio-economic status index (SES) and school performance.Since the NABC database provides us with data on the estimated rate of Roma students in each school, it is possible to take into account the schools’ ethnic intake in the analysis of resilience. We conducted statistical analyses to compare the performance of resilient and irresilient schools in the light of the ratio of Roma students. Finally, we seek answers to the question whether ethnic segregation correlates with school achievement in Hungary. We could identify some crucial institutional factors contributing to resilience (or school success) in the case of schools with relatively high proportion of Roma students.