Multi-ethnic group of college students having a lecture in the classroom.
Mid adult student paying attention during lecture in the classroom.
Young students listening a lecture inside university classroom - Education concept
Mature lecturer assisting college student with laptop in classroom. Education concept
High school student using smartboard during a lecture in the classroom.
Smiling professor giving lecture to college students in classroom. Education concept
Male student writing notes while attending a lecture in the classroom
Group of college students listening lecture from their teacher in the classroom.
Happy male student talking while attending a lecture in the classroom.
Smiling man listening lecture during computer class in the classroom.
African American student taking notes while having lecture in the classroom.
Happy teacher assisting high school student with a lecture in the classroom.
Happy female students learning together during lecture at university classroom.
Rear view of senior professor talking to students during lecture in the classroom
African American professor giving lecture to her student at university classroom.
Friendly middle age lecturer assisting students in classroom. Education concept
Cropped shot lecturer answering to university students in classroom. Education concept
Students listening to teacher during lecture in classroom at high school or university
Group of high school students listening teacher during lecture in classroom
Diversity elementary school kid Take note Teacher lecture in classroom
Female lecturer and a group of college students having informal discussion in classroom
Portrait of male lecturer with arms folded in higher education college classroom
Diversity elementary school kid Take note Teacher lecture in classroom
Diversity elementary school kid Take note Teacher lecture in classroom
Diversity elementary school kid Take note Teacher lecture in classroom
High school student and her teacher using smartboard during a lecture in the classroom.
Computer science teacher giving lecture to group of high school students in the classroom.
Close-up of female teacher giving lecture to group of students in the classroom.
Close-up of professor giving lecture to group of college students in the classroom.
Male professor giving lecture during IT class in the classroom at high school.
