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Students building vehicle in science class

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Students building vehicle in science class

Caucasian student building vehicle in science class

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Caucasian student building vehicle in science clas...

Students building vehicle in science class

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Students building vehicle in science class

Students building vehicle in science class

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Students building vehicle in science class

Hispanic student building vehicle in science class

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Hispanic student building vehicle in science class

Mixed race student building vehicle in science class

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Mixed race student building vehicle in science cla...

Students building vehicle in science class

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Students building vehicle in science class

Students building vehicle in science class

TTM22B56_103

Students building vehicle in science class

Caucasian students building vehicle in science class

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Caucasian students building vehicle in science cla...

Students building vehicle in science class

TTM22B56_093

Students building vehicle in science class

Students building vehicle in science class

TTM22B56_092

Students building vehicle in science class

Student building vehicle in science class

TTM22B56_091

Student building vehicle in science class

Student building vehicle in science class

TTM22B56_090

Student building vehicle in science class

Students building vehicle in science class

TTM22B56_097

Students building vehicle in science class

Student building vehicle in science class

TTM22B56_096

Student building vehicle in science class

Student building vehicle in science class

TTM22B56_095

Student building vehicle in science class

Students building vehicle in science class

TTM22B56_094

Students building vehicle in science class

Portrait of boy (12-13) in front of chalkboard

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Portrait of boy (12-13) in front of chalkboard

Portrait of male teacher

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Portrait of male teacher

Rear view of man at chalkboard

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Rear view of man at chalkboard

Student shrugging in confusion at chalkboard in classroom

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Student shrugging in confusion at chalkboard in cl...

Student writing on chalkboard in classroom

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Student writing on chalkboard in classroom

Asian businessman examining writing on glass window in office

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Asian businessman examining writing on glass windo...

Japanese teacher standing near blackboard

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Japanese teacher standing near blackboard

Portrait of female student holding books

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Portrait of female student holding books

African female student next to math problem on blackboard

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African female student next to math problem on bla...

Digitally generated mathematical formulas

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Digitally generated mathematical formulas

Studio portrait of girl (8-9) next to blackboard. Photo : Rob Lewine

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Studio portrait of girl (8-9) next to blackboard. ...

Studio portrait of girl (8-9) next to blackboard. Photo : Rob Lewine

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Studio portrait of girl (8-9) next to blackboard. ...

Studio portrait of girl (8-9) standing next to blackboard. Photo : Rob Lewine

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Studio portrait of girl (8-9) standing next to bla...

Studio portrait of two girls (8-9) in front of blackboard. Photo : Rob Lewine

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Studio portrait of two girls (8-9) in front of bla...

Studio portrait of two girls (8-9) standing by blackboard. Photo : Rob Lewine

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Studio portrait of two girls (8-9) standing by bla...

Girl standing in front of blackboard.

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Girl standing in front of blackboard.

Computer mouse next to mathematical formula.

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Computer mouse next to mathematical formula.

Girl standing in front of blackboard.

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Girl standing in front of blackboard.

Portrait of female student in front of blackboard. Date : 2007

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Portrait of female student in front of blackboard....