African American student feeling bored while attending class at lecture hall.
Mature professor and his students using laptop during a class at lecture hall.
Happy teacher giving lecture on interactive whiteboard during a class at high school.
African American student writing notes while attending class in lecture hall.
Mid adult student using laptop during computer class at lecture hall.
Happy mature teacher writing lecture on whiteboard during a class at elementary school.
Mature professor and his student using laptop during a class at lecture hall.
Adult students group listen to professor's lecture and Asking Question in small class room On
Mid adult professor with a face mask holding a class to his students at lecture hall.
Rear view of African American student raising hand during a class in lecture hall.
Asian female teen college student in class listening to lecture using laptop to take notes.
Female teacher pointing on whiteboard while giving lecture during a class at high school.
Black teen high school student in class listening to lecture. Focus on african american boy.
Mid adult black student writing an exam while attending a class at lecture hall.
Mature student raising his hand to ask a question during a class at lecture hall.
Happy African Americana woman attending computer class at lecture hall and looking at camera.
Black teacher with face mask assisting her student during class at lecture hall.
Mature professor talking to his student while assisting her with a lecture during a class.
Happy student communicating with his friend while wearing face mask on a class in lecture hall.
Mature teacher giving his adult students exam papers during a class at lecture hall.
Happy black man studying remotely in front of laptop, taking notes during online class or lecture at
Rear view of black student raising her hand to answer a question during a class at lecture hall.
Puzzled student black hipster man sits at table with textbooks laptop studying in lecture classroom.
Young Male Student Using Laptop suring Lecture at College
Focused puzzled on finding right educational literature student looks through bookshelves in library
Female high school student leaning with teacher's help in the classroom.
Happy university students reading lecture from notebook in lecture hall.
Pensive male student attending a class at the university.
Mid adult student paying attention during lecture in the classroom.
Schoolgirl learning with teacher's assistance during a class at elementary school.
