Old teacher in front of blackboard

---

Size: 5879px × 3925px
Photo credit: © Elnur Amikishiyev / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: academic, aged, blackboard, board, book, chalkboard, class, classroom, college, computer, concerned, discussing, education, elder, exam, experienced, explaining, graduation, green, high, laptop, learn, learning, lecture, lecturer, lesson, man, mature, mentor, mentoring, notes, older, school, science, secondary, study, studying, teacher, teaching, textbook, thinking, training, tutor, tutoring, university