teacher, blackboard, teach
book, read, lesson
spring, school, study
science, vitro, experiments
teacher, back to school, learning
teacher, man, lecture
read, book, student
teacher, classroom, school
school, school supplies, education
blackboard, school cone, school enrollment
alphabet, abc, spelling
ruler, school supplies, stationery
pencil, school supplies, stationery
pattern, background, graphic
pixel cells, lecture, lecture hall
