Smiling mature man giving a math lesson in front of a group of students in the school
Portrait of smart teacher and schoolgirl standing by blackboard and looking at schoolkids in classroom
Smiling young teacher making presentation to schoolchildren
Teacher or docent or educator giving while lesson in front of a blackboard or board a sheet of paper and educate or teaching students or pupils or mates in a school or class
School class with students and teacher in which there is a fun informative lesson
The teacher in the classroom on blackboard background
Answering near blackboard cute dark haired girl wearing stylish head band answering near the blackboard
Rear view of high school teenage students listening african american teacher with book in classroom
Portrait of a beautiful female teacher with a globe
Happy kids at elementary school
Professor standing at the chalk board in front of his students and showing them a diagram
Children at school classroom
Students listening the explanation and answering to positive teacher in the math course
Young smiling business women working new project at office coworkers team at business meeting looking in laptop on table analyze business documents conference discussion
Smiling elderly teacher near the chalkboard discussing with male student at the math lesson
The teacher writing on the black board with students intend to study in classroom at school between classmate education concept
Pupil writing on blackboard with chalk during math lesson
Smiling male teacher giving presentation for students in lecture hall
Education activities in classroom at school happy children learning
Two girl are talking in time lecture and teacher is disturbance it in the classroom
Time for answer young attractive college professor points out at the student who wants to answer the question
Smiling professionals and happy female coach at training session for employees
Teacher or docent or educator giving while lesson in front of a blackboard or board a sheet of paper and educate or teaching students or pupils or mates in a school or class
Speaker at business meeting in the conference hall
Teacher handing back written tests or papers to the class
Professor and elementary age children in a classroom at school
Smiling male teacher giving presentation for students in lecture hall
Confident male student answering at whiteboard in front group of students in auditorium
Senior male teacher near the chalkboard asking female student at the math lesson
Young teacher man talking with students in the classroom
Female teacher keeping an eye on her student
Friendly male teacher lecturing to attentive adult students at auditorium
Joyful intelligent man holding a pencil
Smiling young female coach giving presentation for adult audience in lecture hall
Smiling schoolgirls are talking about homework at the desk in time lecture in the class
Portrait of pupils listening the explanation and answering to a teacher in the math class
Happy teacher with students communicating at desk
Young schoolboy putting up his hand in class to answer a question for his teacher view from behind his head
Female school teacher standing in a classroom gesturing to schoolchildren sitting at a table listening
Portrait of smart teacher and schoolgirl standing by blackboard and looking at schoolkids in classroom
Group of students with teacher in computer lab classrom learrning lessons get help and support
Teacher giving lesson to students in classroom
School lesson teacher and pupil write on a blackboard
School children in classroom at lesson the little boys and girls sitting at desks back to school education classroom lesson learn lifestyle childhood concept
Teacher or docent or educator giving while lesson in front of a blackboard or board a sheet of paper and educate or teaching students or pupils or mates in a school or class
School children are participating actively in class
Young girl teacher in primary school
Friendly adult students chatting while sitting in the school
Student boy with marker writing on flip board
Senior male teacher and student standing near the chalkboard at the math lesson in classroom
Education school learning and people concept group of students and teacher with test results in classroom
School children in classroom at lesson the little boys and girls sitting at desks back to school education classroom lesson learn lifestyle childhood concept
Rear view of schoolgirl sitting at desk with teacher in background
Children at school classroom
Positive teacher giving a math lesson in front of a group of students in the school
Young woman presenting project she is applauded by colleagues
Ecxited happy student gives answer near blackboard during lesson
Young female student is consulting with a professor with a book in her hands during a break in a classroom
Group of students study with professor in modern school classroom
Selective focus of female teacher explaining lesson material while male student looking at classmate
High school students taking examination
Smiling female teacher with wooden pointer explaining mathematical equations in classroom
Female and male students 13 16 years old are working in large groups in school
Smiling positive fellow students having group work tasks during school day
Education high school teamwork and people concept smiling student girl with notebook standing in front of students in classroom
Female high school teacher standing in front of interactive whiteboard teaching lesson
A teacher standing with tablet pc in classroom at elementary school
Children actively participate in the class read and listen to the teacher
Professionals and smiling male coach at training session for employees
Education high school technology and people concept smiling student boy in glasses with notepad laptop computer standing in front of students and teacher in classroom
Instructor teaching first aid cardiopulmonary resuscitation course and use of automated external defibrillator workshop in primary school class
Smiling elderly teacher standing near the chalkboard and asking students at the math lesson
Teacher with boys and girls in school
Sign language number instruction lesson graphic
Casual businessman giving a presentation in the office
Positive friendly diligent pleasant female teacher standing at blackboard with schoolgirl during lesson in classroom
Students group study together in school classroom and working together homework project
White board networking seminar concept
Student girl standing at blackboard in classroom explains something
Teacher is disturbance because two schoolgirls are talking in time lecture in the class
Students are studying in the elementary school classroom
Confident male teacher with schoolchildren at desk
White board networking seminar concept
Positive man teacher is giving interesting lecture for students during lesson in the classroom
Group of students with teacher on class learning lessons
Teacher looking away while sitting at desk
Young asian woman teacher teaching kids in kindergarten classroom preschool education concept
Confident female student answering in front of student group in auditorium
Young students communication sitting in the classroom
Education high school university teaching and people concept group of students and teacher with marker standing at white board at lecture
Young girls are sitting at the desk and talking in time lecture in the classroom in the school
High school student writing an answer on the chalkboard during biology lesson
Education high school technology and people concept smiling student girl with tablet pc laptop computer standing in front of classmates and teacher in classroom
Rear view of high school students with arms up and african american teacher in classroom
Elementary school kids listen to teacher back view close up
Adult teacher is giving lecture for students with book in the class
Back view of teacher writing on chalkboard and smiling children studying at lesson