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Female student holding a chemical presentation in classroom

Bored teenage girls in high school class using cell phones

Bored teenage girl in high school chemistry class using cell phone

Girl student using microscope, conducting scientific experiment in laboratory classroom

Student in science class experimenting with test tubes

Students in chemistry class pipetting liquid into test tube

Student in chemistry class pipetting liquid into test tube

Student in chemistry class pipetting liquid into test tube

Students in chemistry class pipetting liquid into test tube

Students in chemistry class pipetting liquid into test tube

Girl students using microscope, conducting scientific experiment in laboratory classroom

Smiling girl students examining liquid in test tube, conducting scientific experiment in laboratory classroom

Female student in classroom writing at desk

Two chemistry students doing experiment

Students in science class experimenting with test tubes

Student holding a presentation in classroom

Two students in chemistry class pipetting liquid into test tube

Teacher explaining something to student in classroom

Student in classroom raising his hand

Female student in classroom writing at desk

Student in classroom raising his hand

Student is being applauded after presentation in classroom

Student wearing headphones in classroom

Students holding a presentation in classroom

Students holding an anatomical presentation in classroom

Students holding an anatomical presentation in classroom

Student talking to teacher at desk

Focused female college student conducting scientific experiment in science laboratory classroom

Female college student conducting scientific experiment examining vials in science laboratory classroom

Students in classroom with globe

Female student standing at whiteboard with thouht bubble

Teacher scolding student with headphones in classroom

Students holding an anatomical presentation in classroom

Students holding an anatomical presentation in classroom

Students holding a presentation in classroom

Smiling female students talking in classroom

Students in classroom having an exam

Students in classroom having an exam

Students in classroom having an exam

Female student in classroom using compasses at desk

Female student in classroom raising her hand

Teenage girls in high school chemistry class experimenting

Girl holding glassware and looking away with smile

Science student with teacher in class looking through microscope

Student in chemistry class pipetting liquid into test tube

Students in classroom

Students in classroom

Chemistry student doing experiment

Chemistry student doing experiment

Frustrated teacher and talking students in classroom

Frustrated teacher and talking students in classroom

Female student in classroom using digital tablet

Female student in classroom writing at desk

Female student in classroom using digital tablet

Female student in classroom writing at desk

Smiling student receiving test results

Smiling female student receiving test results

Female student in thought in class

Teenage girls looking at test tube

Close up of teenage girls with pipettes and test tube

Close up of teenage girl examining test tube

Curious, smiling students watching chemical reaction, conducting scientific experiment in laboratory classroom

Female student standing at whiteboard with thouht bubble

Students in chemistry class pipetting liquid into test tube

Female student in classroom cheating during an exam

Girl student conducting scientific experiment in laboratory classroom

Biology students working in lab

Portrait of girl wearing work coat and safety glasses doing chemical experiment

Portrait of girl wearing work coat and safety glasses doing chemical experiment

Children in chemistry class

Children doing an experiment

Portrait of smiling science student in class

Science student working in class with microscope

Female student in thought in class

Portrait of smiling high school student at desk with computer

Students conducting experiment in lab

Science teacher in class holding flasks

Students pouring sample into flask in laboratory

Students pouring sample into flask in laboratory

Female student in classroom with laptop and anatomical model

Student conducting experiment in lab

Teenage girl in high school chemistry class experimenting

Chemistry student using pipette

Chemistry student using pipette

Student in lab, classmates in background

Student in lab, classmates in background

Student in lab, classmates in background

Students in classroom

Students talking in classroom

Chemistry student using multi pipette

Chemistry student using multi pipette

Portrait of student in laboratory

Portrait of student in laboratory

Primary schoolgirls and boy doing experiment at classroom desk

Primary schoolboy and girls doing test tube experiment in classroom

Primary schoolboy and girl doing test tube experiment in classroom

Chemistry student pouring liquid into test tube

Chemistry student pouring liquid into beaker

Student analysing sample in flask in laboratory

Student analysing sample in flask in laboratory

Student pouring sample into flask in laboratory

Student using digital tablet in laboratory

Student using digital tablet in laboratory

Students in classroom with globe

Teacher and female student talking in classroom

Drama teacher leading students holding booklets

Two Students in Lab

Smiling student receiving test results

Girl students using microscope, conducting scientific experiment in laboratory classroom

Female student in classroom raising her hand

Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom

Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom

Boy students conducting scientific experiment, examining liquid in test tube in laboratory classroom

Smiling high school girl student talking with classmates in classroom

High school girl student taking exam at desk in classroom

Student outside classroom

Students working in chemistry lab

Female students writing during class test

女子高生

Student in chemistry class pipetting liquid into test tube

Students watching chemical reaction, conducting scientific experiment in laboratory classroom

Molecular structure hanging in classroom

授業風景

授業風景

授業風景

授業風景

授業風景

授業風景

授業風景

授業風景

授業風景

授業風景

授業風景

授業風景

授業風景

授業風景

Confident high school boy student giving presentation in classroom

Students working in chemistry lab

Portrait of female high school student looking back in lesson

Female student in classroom using digital tablet

Female student in classroom using digital tablet

Students doing an experiment

Boy looking at test tubes

Pupils (14-18) in school classroom

Pupils (14-18) in school classroom

High school student with book discussing

Science student in class looking through microscope

Female student peeking during class test

Female student peeking during class test

Teacher writing equations on whiteboard during high school class

Teenage boy pointing at whiteboard in high school lesson

Students in classroom, listening to teacher

Portrait of smiling high school student in class

Female student borrowing a pen during class lecture

Pupils (15-18) in school classroom, differential focus

Pupils (15-18) in school classroom, differential focus

Pupils (15-18) in school classroom, differential focus

Male student in classroom, hand raised

Female student in classroom with laptop, book and anatomical model

Students in classroom, hands raised

Students conducting experiment in lab

Girl student using microscope in classroom

Girl student examining DNA model in classroom

Girl student examining DNA model in classroom

Happy teenage girls in high school chemistry class experimenting

Students conducting experiment in lab

Students pouring sample into flask in laboratory

Students analysing sample in flask in laboratory

Students pouring sample into flask in laboratory

Students using digital tablet in laboratory

Students using digital tablet in laboratory

Student standing in chemistry lab

Female student, sitting at desk in classroom, smiling

Female student, sitting at desk in classroom, writing

Portrait of female student, sitting at desk in classroom

Two pupils doing chemical experiment

Two pupils doing chemical experiment

Curious girl student examining molecular structure in classroom

Girl student examining and touching molecular structure in classroom

Portrait confident girl student next to molecular structure in classroom

Girl student holding molecular structure at microscope in laboratory classroom

Curious girl student examining DNA model in classroom

Curious girl student holding molecule model in classroom

Girl student using microscope, conducting scientific experiment in laboratory classroom

Girl student using microscope, conducting scientific experiment in laboratory classroom

Teacher and female student in wheelchair having classroom tutorial

Teenagers working in school classroom

Teenagers using digital tablets classroom

Portrait of four students in classroom

Teacher and student during chemistry lesson, wearing protective eyewear and looking at test tube with green liquid

Teenagers working together in school classroom

Teenage boy using cell phone in classroom

Students in classroom posing during lesson

High school teacher with test notes in classroom

Teacher explaining something to student in classroom

A high school girl's head with a book in the classroom

High school students talking and studying at table in classroom

High school teacher helping students with homework in classroom

High school students with hands raised in classroom

High school students listening to lesson in high school classroom