"The purpose of this study is to analyze health, social conditions and educational environment which affect the educational development of the Mexican children in the Sonora Independent School and plan a remedial program. The source of the data in this study was the survey made by Winters, and a survey of health, social and educational conditions of the Mexicans living in Sonora. The study was limited to the Mexican families and the Mexican children in the Sonora school district."--leaf 1.