Brief revisal. Young male college professor is busy with explaining and revising the lecture he has given - Stock Photo & Image

Caring Teacher Explains Lesson to a Classroom Full of Diverse Children. In School with Group of Smart Multiethnic Kids Learning Science, Whole Classroom Raising Hands Knowing Answer.

Caring Teacher Explains Lesson to a Classroom Full of Bright Diverse Children. In Elementary School with Group of Smart Multiethnic Learning Science, Listening to a Teacher with Great Interest

Rear view of kids looking at teacher while she writing on chalkboard

Desire to answer. Female young student in a group raises her arm in order to answer the question

Young teacher in classroom standing in front of class

Time for answer. Young attractive college professor points out at the student who wants to answer the question

Love your job. Smiling kind teacher explaining sums standing near the blackboard in the classroom.

Thorough explanation. Young male college professor is busy with explaining the lecture he has given

Lesson in progress. Young female teacher is looking down at her textbook and checking her pupils presence

Nice pupils. Little pupil is raising her hand in the air indicating that she knows the answer to teachers question

Counting together. Two classmates standing next to each other and writing together on the blackboard.

Enjoying learning. Happy smiling girl doing sums near the school board with the help of her teacher.

Counting in class. Smart school girl speaking and writing on a board in front oh the class.