In an era of school reform and high stakes accountability, the major challenge in education is to turnaround the nation's lowest-performing schools. National policy provides abundant resources with often restrictive prerequisites. Research indicates that quality principals and teachers are the most important factors for turning around the lowest performing schools; however there is little research in how to turnaround failing schools with high enrollments of students in poverty, who are English-Language Learners, and who are Hispanic. The purpose of this study is to understand how demography, policy and practices affect the educational edge of students in poverty, who are English-Language Learners, and who are Hispanic. How do the practices of a school leader who is professionally/culturally/linguistically responsive affect turnaround for a failing schools? How does the personal and professional background of a Latino principal affect student performance in a failing school? This research conducted a qualitative case study to include principal interviews, principal observations, teacher interviews, and the use of state and school archival data. Analyses included organizing data into data themes and triangulating data themes, using principal background, principal professional/cultural beliefs and practices, school context, teacher data, and archival data. Conclusions confirm the need to conduct research to document and define the performances for professionally/culturally/linguistically responsive principal models and their effect on student performance in historically failing schools. In addition, policymakers need to consider the organizational contexts of professional/culturally/linguistically responsive leadership and teaching models as turnaround school models.