Mathematics -- Study and teaching -- United States 7 Science -- Study and teaching -- United States 7 Violence -- United States 7 Violence -- United States -- Prevention 7 Science -- Study and teaching -- United States -- Evaluation 6 United States -- Statistical services 6 Child development -- United States 5 more ... Education -- Research -- United States 5 Educational tests and measurements -- United States 5 Human engineering 5 Learning 5 Poverty -- United States -- Statistical methods 5 Science -- Study and teaching -- Standards -- United States 5 United States -- Census, 2000 -- Methodology 5 Violent crimes -- United States 5 Classroom management 4 Curriculum planning 4 Social security -- United States 4 Urban policy -- United States -- Congresses 4 Climatic changes -- Research 3 Climatic changes -- Social aspects 3 Criminal justice, Administration of -- United States 3 Developing countries -- Population 3 Disability evaluation -- United States 3 Education and state -- United States 3 Educational accountability -- United States 3 Educational equalization -- United States 3 Educational indicators -- United States 3 Fiscal policy -- United States 3 Government spending policy -- United States 3 less ...