Smiling schoolboy raising his arm to answer teacher's question during class in the classroom.
Happy African American schoolboy celebrating excellent grade on an elementary school test.
Senior teacher assisting schoolgirl in using digital tablet during a class at school.
Black teacher checking temperature of schoolboy while he's entering classroom during coronavirus.
Happy girl holding back to school sign in the classroom.
Black schoolboy e-learning on digital tablet during a class in the classroom.
Two rows of desks in college library and students working individually
Happy college student and her friends cooperating while e-learning in the classroom.
doctors explaining symptoms and treatment to patients.
Conference hall. Convention center with podium. Professional meeting. Summit
African American professor explaining test results to her adult students in the classroom.
selective focus of multicultural students in jeans using laptop in university
Happy teacher giving lecture on interactive whiteboard during a class at high school.
Elementary students taking their test results from a teacher in the classroom.
grey hair professor yawning in empty lecture room
Black teacher and elementary student with face masks examining test result in the classroom.
Portrait of a beautiful young and intelligent-looking Japanese Asian woman student wearing a white s
doctors explaining symptoms and treatment to patients.
People applauding. Group of business people clapping hand while sitting in a row
African American female teacher assisting a schoolgirl during a class at elementary school.
grey hair professor sitting in empty lecture room with crossed arms
Black teacher wearing face mask while teaching her students at elementary school during COVID-19.
Students using laptop during break
High school teacher giving lecture to her students in the classroom.
Two classmates with face masks sharing hand sanitizer in the classroom.
Female Muslim student writing an exam at the university.
Black elementary student wearing protective face mask and using hands sanitizer in the classroom.
Senior teacher talking to his students at university classroom.
Schoolboy with face mask disinfecting his hands in the classroom.
Girls working in team at lecture
