Study and teaching (Elementary) Mathematics 189 Science 156 Study and teaching (Secondary) 125 English language 111 Activity programs 72 Study and teaching (Middle school) 66 more ... Composition and exercises 60 Language arts (Elementary) 57 Reading (Elementary) 39 Social sciences 36 Study and teaching 32 Education, Elementary 30 Education 29 Foreign speakers 26 History 25 Children 23 Study and teaching (Primary) 20 Literature 19 Multicultural education 19 Literacy 18 Philosophy 18 Art 17 Books and reading 17 Reading comprehension 17 Language arts 15 Correlation with content subjects 14 Interdisciplinary approach in education 14 Standards 14 Training of 14 less ...