![](http://www.alamy.com/thumbs/6/2B72A505-02B6-4D0F-8081-849C2E8C029F/2J67ECN.jpg)
glad school teacher in classroom at blackboard
glad school teacher in classroom at blackboard.
Size: 7904px × 4584px
Photo credit: © Roman Stetsyk / Alamy / Afripics
License: Royalty Free
Model Released: Yes
Keywords: blackboard, cheerful, classroom, day, education, glad, happy, knowledge, lesson, man, modern, positive, school, smiling, teacher, time, tutor, tutorship, university