Ключевые слова: academic, adult, back to school, caucasian, classroom, college, college professor, color image, confident, copy space, education, happiness, happy, high, high school, high school building, high school student, horizontal, indoors, knowledge, lecture, lecturer, lesson, looking, looking at camera, males, man, mature adult, mature men, mid adult man, occupation, people, portrait, profession, professor, proud, satisfaction, satisfied, school, school supplies, secondary school, smiling, standing, student, studying, teacher, teacher and student, teacher in classroom, test, tutor,