In the 1920s and 1930s the Mexican school age population increasingly participated in the educational system of the US. Meanwhile, many first experiences of these children with the state came in the form of educational research. The intelligence testing movement had a brief history before then, one which was gathering much momentum and greatly encouraged by corporate foundations and the cooperation of university administrations. The rapid immigration in the 1920s and settlement of Mexicans into colonias of the Southwest coincided with the rise of academic research and publications on racial intelligence as well as with the combination of mass compulsory education and intelligence testing tracking and curriculum differentation [differentiation]
