Elementary school student raising hand in class

High school student raising hand in class

Teacher listening to student's question

Students sitting in library, rear view

Female elementary school student doing classwork

Elementary school student leaning on elbow daydreaming in class

Male elementary school student reading in class while teacher observes

Female elementary school student daydreaming in class

High school student speaking with classmate in class

High school student raising hand in class, looking over shoulder

Yoga class doing tree pose

College students sitting at table, looking out window

Elementary student raising hand in class, rear view

Elementary students in classroom raising hands, rear view

High school student raising hand in class

Female high school student raising hand in class

High school students in class, teen boy raising hand

High school students learning about precipitation cycle in class

High school students learning about precipitation cycle in class

Hands holding eraser on notebook

Female student raising hand in class

Boy standing in classroom, in front of blackboard, rear view

High school students passing notes in class

High school student raising hand in class

Students in a class, with a girl raising her hand

Students solving math problems on the chalkboard

A boy raising his hand in the classroom

A man raising his hand with a cat copying him

boy swimming in the sea

Rear view of students painting in art class

math education and student

science education class

Pre-Adolescent Boy and Girl in Uniform Holding Hands and Going into Junior High School for Their Entrance Ceremony

Teacher showing world map to student in geography class

Side view of a girl forming C

Front view of a teacher teaching in a class

Elementary school students raising hand in class, rear view