Old teacher in front of blackboard

---

Size: 5960px × 3979px
Photo credit: © Elnur Amikishiyev / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: academic, angry, blackboard, board, book, chalkboard, class, classroom, college, disappointed, discussing, education, exam, experienced, explaining, frustrated, graduation, green, high, learn, learning, lecture, lecturer, lesson, man, mentor, mentoring, sad, school, science, secondary, stop, stopping, stress, stressed, study, studying, teacher, teaching, textbook, tired, training, tutor, tutoring, university, upset