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    Preteen schoolgirl counting on fingers near chalkboard with mathematic equations — Stock Photo
    Preteen schoolgirl counting on fingers near chalkboard with mathematic equations
    Crumpled paper balls flying at frightened male teacher in classroom with chalkboard on background — Stock Photo
    Crumpled paper balls flying at frightened male teacher in classroom with chalkboard on background
    Happy schoolkid with small globe pointing with pencil at camera near chalkboard with equations — Stock Photo
    Happy schoolkid with small globe pointing with pencil at camera near chalkboard with equations
    Amazed schoolgirl with open mouth gesturing while sitting at desk in classroom — Stock Photo
    Amazed schoolgirl with open mouth gesturing while sitting at desk in classroom
    Selective focus of smiling female teacher pointing at chalkboard with hand while male student looking at classmate — Stock Photo
    Selective focus of smiling female teacher pointing at chalkboard with hand while male student looking at classmate
    Teacher pointing at equations in classroom with student — Stock Photo
    Teacher pointing at equations in classroom with student
    Amazed schoolgirl showing idea gesture near globe, notebook and blurred chalkboard — Stock Photo
    Amazed schoolgirl showing idea gesture near globe, notebook and blurred chalkboard
    Partial view of female teacher writing equation on green chalkboard — Stock Photo
    Partial view of female teacher writing equation on green chalkboard
    Displeased schoolgirl holding apple near globe and notebook on desk — Stock Photo
    Displeased schoolgirl holding apple near globe and notebook on desk
    Partial view of female teacher in formal wear with wooden pointer explaining mathematical equations in classroom — Stock Photo
    Partial view of female teacher in formal wear with wooden pointer explaining mathematical equations in classroom
    Female teacher pointing at equations while student standing near chalkboard — Stock Photo
    Female teacher pointing at equations while student standing near chalkboard
    Crumpled paper balls flying at male teacher with arms crossed in classroom with chalkboard on background — Stock Photo
    Crumpled paper balls flying at male teacher with arms crossed in classroom with chalkboard on background
    Selective focus of dissatisfied female teacher looking at male student cheating during exam in classroom — Stock Photo
    Selective focus of dissatisfied female teacher looking at male student cheating during exam in classroom
    Schoolgirl in medical mask near blurred chalkboard with mathematic equations, banner — Stock Photo
    Schoolgirl in medical mask near blurred chalkboard with mathematic equations, banner
    Pleased schoolkid reading book near blurred equations on chalkboard — Stock Photo
    Pleased schoolkid reading book near blurred equations on chalkboard
    Focused male teacher in formal wear looking at camera and holding wooden pointer in front of chalkboard with equations — Stock Photo
    Focused male teacher in formal wear looking at camera and holding wooden pointer in front of chalkboard with equations
    Cropped view of female teacher with wooden pointer explaining mathematical equations in classroom — Stock Photo
    Cropped view of female teacher with wooden pointer explaining mathematical equations in classroom
    Upset schoolgirl looking at camera near notebooks, globe and chalkboard on blurred background — Stock Photo
    Upset schoolgirl looking at camera near notebooks, globe and chalkboard on blurred background
    Female teacher pointing at notebook near male student — Stock Photo
    Female teacher pointing at notebook near male student
    Smiling schoolkid touching eyeglasses during video call near chalkboard — Stock Photo
    Smiling schoolkid touching eyeglasses during video call near chalkboard
    Female teacher in formal wear with wooden pointer explaining mathematical equations in classroom — Stock Photo
    Female teacher in formal wear with wooden pointer explaining mathematical equations in classroom
    Schoolchild in medical mask writing in notebook near globe and chalkboard on blurred background — Stock Photo
    Schoolchild in medical mask writing in notebook near globe and chalkboard on blurred background
    Selective focus of male student sitting at desk and raising hand — Stock Photo
    Selective focus of male student sitting at desk and raising hand
    Crumpled paper balls flying at male teacher with arms crossed in classroom with chalkboard on background — Stock Photo
    Crumpled paper balls flying at male teacher with arms crossed in classroom with chalkboard on background
    Pensive male teacher in glasses sitting and using laptop at desk in classroom — Stock Photo
    Pensive male teacher in glasses sitting and using laptop at desk in classroom
    Shocked schoolkid with open mouth looking at camera near notebooks and blurred chalkboard — Stock Photo
    Shocked schoolkid with open mouth looking at camera near notebooks and blurred chalkboard
    Smiling schoolkid talking on smartphone near laptop and blurred chalkboard with equations — Stock Photo
    Smiling schoolkid talking on smartphone near laptop and blurred chalkboard with equations
    Selective focus of male student raising hand in classroom — Stock Photo
    Selective focus of male student raising hand in classroom
    Male student and female teacher in formal wear using laptop during lesson in classroom — Stock Photo
    Male student and female teacher in formal wear using laptop during lesson in classroom
    Selective focus of male student and female teacher using laptop during lesson in classroom — Stock Photo
    Selective focus of male student and female teacher using laptop during lesson in classroom
    Female teacher sitting at desk and pointing at something in classroom — Stock Photo
    Female teacher sitting at desk and pointing at something in classroom
    Female professor pointing at chalkboard with equations during lesson — Stock Photo
    Female professor pointing at chalkboard with equations during lesson
    Teacher thinking and holding glasses in hand while student standing near chalkboard — Stock Photo
    Teacher thinking and holding glasses in hand while student standing near chalkboard
    Teacher speaking to student who talking on smartphone during lesson in classroom — Stock Photo
    Teacher speaking to student who talking on smartphone during lesson in classroom
    Female teacher pointing with finger at mathematical equation on chalkboard in class — Stock Photo
    Female teacher pointing with finger at mathematical equation on chalkboard in class
    Female teacher looking at camera and pointing with finger at mathematical equation on chalkboard in class — Stock Photo
    Female teacher looking at camera and pointing with finger at mathematical equation on chalkboard in class
    Female teacher helping male student with assignment during lesson in classroom — Stock Photo
    Female teacher helping male student with assignment during lesson in classroom
    Female teacher with wooden pointer holding glasses and explaining mathematical equations in classroom — Stock Photo
    Female teacher with wooden pointer holding glasses and explaining mathematical equations in classroom
    Male teacher in glasses sitting at desk and explaining equations in maths classroom — Stock Photo
    Male teacher in glasses sitting at desk and explaining equations in maths classroom
    Female teacher standing in formalwear and looking at student in classroom — Stock Photo
    Female teacher standing in formalwear and looking at student in classroom
    Playful schoolgirl sitting at desk with book and apple on head — Stock Photo
    Playful schoolgirl sitting at desk with book and apple on head
    Schoolgirl standing near chalkboard with equations and desk with laptop — Stock Photo
    Schoolgirl standing near chalkboard with equations and desk with laptop
    Student talking on smartphone in classroom with lecturer on background — Stock Photo
    Student talking on smartphone in classroom with lecturer on background
    Female teacher pointing at equations to student in classroom — Stock Photo
    Female teacher pointing at equations to student in classroom
    Beautiful teacher standing in classroom and holding glasses — Stock Photo
    Beautiful teacher standing in classroom and holding glasses
    Selective focus of dissatisfied female teacher looking at male student taking crib during exam in classroom — Stock Photo
    Selective focus of dissatisfied female teacher looking at male student taking crib during exam in classroom
    Positive schoolkid adjusting eyeglasses near laptop and chalkboard on blurred background — Stock Photo
    Positive schoolkid adjusting eyeglasses near laptop and chalkboard on blurred background
    Student holding head and looking upset near female teacher — Stock Photo
    Student holding head and looking upset near female teacher
    Smiling schoolgirl in eyeglasses looking at camera near chalkboard with equations — Stock Photo
    Smiling schoolgirl in eyeglasses looking at camera near chalkboard with equations
    Smiling male teacher sitting at desk and showing laptop with blank screen in classroom — Stock Photo
    Smiling male teacher sitting at desk and showing laptop with blank screen in classroom
    A man calculating on a desk in a plant shop, embodying the spirit of entrepreneurship and small business ownership. — Stock Photo
    A man calculating on a desk in a plant shop, embodying the spirit of entrepreneurship and small business ownership.
    Back view of teacher writing equations on chalkboard near multicultural pupils during math lesson — Stock Photo
    Back view of teacher writing equations on chalkboard near multicultural pupils during math lesson
    Schoolkid in medical mask showing thumb up near apple, notebook and chalkboard on blurred background — Stock Photo
    Schoolkid in medical mask showing thumb up near apple, notebook and chalkboard on blurred background
    Female teacher standing near desk and looking surprised near student — Stock Photo
    Female teacher standing near desk and looking surprised near student
    Upset schoolkid sitting at desk near globe, notebook and apple — Stock Photo
    Upset schoolkid sitting at desk near globe, notebook and apple
    Selective focus of young student sitting in classroom with teacher on background — Stock Photo
    Selective focus of young student sitting in classroom with teacher on background
    Smiling male teacher in glasses holding apple and showing ok sign at computer desk in classroom — Stock Photo
    Smiling male teacher in glasses holding apple and showing ok sign at computer desk in classroom
    Pensive schoolgirl with hand near face looking at camera near chalkboard with equations — Stock Photo
    Pensive schoolgirl with hand near face looking at camera near chalkboard with equations
    Schoolgirl in eyeglasses smiling at camera near laptop and chalkboard on blurred background — Stock Photo
    Schoolgirl in eyeglasses smiling at camera near laptop and chalkboard on blurred background
    Pensive schoolgirl holding pencil while thinking near notebook in classroom — Stock Photo
    Pensive schoolgirl holding pencil while thinking near notebook in classroom