Blackboard in a school class room

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Size: 3120px × 3120px
Location:
Photo credit: © Zoonar/Elmar Gubisch / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: blackboard, chalkboard, class, climate, cognition, compulsory, development, education, experience, feature, green, health, humanity, knowledge, learning, mental, mind, pedagogy, philosopher, philosophy, pisa, progress, pupil, room, school, schooling, state, symbol, system, teaching, test, thinking, time, training, transfer