Concentré préadolescent écolier appui visage avec la main tout en écrivant dans copie livre au bureau - Clips & vidéo de stock

Focused preteen schoolboy propping face with hand while writing in copy book at desk

Teenager tired of doing lessons, thinking on white background

Tired preteen schoolboy with pen sleeping on desk near copy book, calculator and pencils

Teenager thinks and does the lessons at home on white background

Teenager makes lessons and writes at home on dark background

Focused preteen schoolboy propping face with hand while writing in copy book at desk

Tired preteen schoolboy with pen sleeping on desk near copy book, calculator and pencils

Front view of smiling preteen boy sitting at desk, showing thumbs up and rock signs, making funny faces and putting book on head

Smiling cute preteen schoolgirl doing homework and writing in copy book at desk

Front view of happy schoolgirl putting copy book on head, laughing, sticking out tongue, looking around and taking pen

Mother holding pencil and helping son with homework while he writing on copy book at desk