Some of our group with doubtful intellects do better than this. When considering the borderlines with the Binet tests we decided that a child was presumably passable if he scored a test-age of XI. This score would not be made by 11-year-olds as a group, but could probably be attained by 12-year-olds. We may then ask what is the corresponding school position attained by 12-year-olds who have been continuously in school. At the same time we must ask whether the lowest 1.5% of the children of any single age can attain this school grade since it should be high enough to exclude the deficients, no matter how long they have attended school. We happen to have this information for a random group of Minneapolis elementary school pupils on the basis of census of school progress per years of schooling. Considering only the children who had been in school since they were six years of age, we found that 82% of 186 12-year-olds and 92% of 174 13-year-olds had reached the seventh grade, and that the lowest 1.5% of neither age nor of any of the older ages could apparently carry the work of this grade no matter how long they had remained in school. Our records included older pupils who were in their eleventh year of attendance on the elementary schools. Another indication that reaching the seventh grade is presumptive evidence of passable intellects is found in the fact that none of our group of 653 15-year-olds testing presumably deficient with the Binet scale and only four of the six who tested doubtful intellectually had reached the seventh grade. On the other hand those that think that a 15-year-old testing XI is deficient will be interested to find that 42 out of 51 who tested XI with the 1908 scale were in the seventh grade or above. We are convinced, therefore, that it is a conservative position to take that either passing the Binet tests XI in the 1908 series or ability to pass successfully the seventh grade in school is good evidence of a passable intellect. The rule, of course, does not apply to those who are passed along to the seventh grade because of their size or age regardless of ability to carry the work. B. CHECKING DEFICIENCY AMONG DELINQUENTS BY THE SCHOOL TEST.