Female high school student leaning with teacher's help in the classroom.
Female university student writing an exam in the classroom.
African American professor assisting her students on a class at the university.
Happy teenage girl looking at camera during lecture at high school.
Black teacher wearing face mask while giving lecture to her students in the classroom.
Woman with headset using desktop PC while attending computer class at the university.
Black teacher talking to her adult students about their exam results in the classroom.
Happy African American student in hijab raising hand to ask question during lecture at university.
African American female student wearing face mask during lecture in the classroom.
Group of students writing an exam during a class at the university.
Young happy students writing during lecture at university classroom.
Black teenage girl writing in notebook during a class at high school.
Senior team leader of group of startup business co-worker
Unrecognizable teacher giving test results to schoolgirl in the classroom.
Group of business diversity people
Young woman sitting in audience on conference or workshop
Group of business diversity people
Group of business diversity people
The noblest pleasure is the joy of understanding
Mature university professor giving lecture to his students in the classroom.
School is closed!
Two students talking while studying lecture in the classroom.
Senior team leader of group of startup business co-worker working in office
Ignorance is just an absence of effort
Pensive male student attending a class at the university.
Teacher marking tables with tape and preparing classroom for kid due to coronavirus pandemic.
Happy elementary teacher using laptop while teaching her students in the classroom.
Let me help you with that mask!
Group of business diversity people and middle east co-worker working in office
Group of business diversity people
