The document discusses the history and evolution of the Mexican American community in the United States from the Mexican-American War to the mid-20th century. It describes how Mexican Americans faced discrimination and were often segregated into separate, inferior schools compared to white students. Educators at the time claimed this segregation was justified and would benefit Mexican American students, despite facing resistance from parents. The document examines the vocational tracking of Mexican American students and the policies that hindered their equal access to education during this period.