Education (1) Children (1) Assaying (1) Communication (1) Surveys (1) Charts, diagrams, etc (1) Statistics (1) Teaching (1) Sports records (1) Sociology, Rural (1) School attendance (1) School age (Entrance age) (1) Public schools (1) Prediction theory (1) French (1) Files (Records) (1) Demography (1) Concord (1) Comprehension (1) Cities and towns (1) Athletic ability (1) Disabilities (1) Statistics (1) Manpower (1) Management (1) Valuation (1) Age (1) Analysis (1) Science (1) Rural conditions (1)