School class in an old European Celtic village of the early 20th century. Kielce, Poland - April 1, 2019:
boy exercise math on school board
boy exercise math on school board
Joyful Emotions of a Teacher on School Board Background
Joyful Emotions of a Teacher on School Board Background
Caucasian schoolboy solving math problem and smiling in classroom
Caucasian schoolgirl drawing on blackboard as blurred schoolboy writing in workbook at front. Positive relaxed children enjoying break at school in classroom. Education concept.
Portrait of genius Caucasian girl solving math problem on blackboard at school. Smart intelligent schoolgirl studying mathematics indoors. Education and intelligence of generation Z.
Redhead schoolboy stands near a school board smiling
Wide shot of positive confident schoolgirl writing on school board as blurred schoolboy sitting at desk in classroom. Genius Caucasian girl handwriting mathematical task on lesson at school.
Tired schoolboy sighs as schoolgirl writes on chalkboard.
Close-up of laptop with chromakey screen on desk in classroom with headphones and blurred chalkboard at background. Green screen device indoors at school. Modern technologies concept.
Confident schoolgirl posing with physical formulas at chalkboard. Portrait of intelligent girl smiling. Education concept.
Focused schoolboy drawing on chalkboard in classroom. Side view portrait of creative boy enjoying break in school. Education concept.
