Finnish school boy sitting in elementary school classroom in Finland,static medium shot

programme for international student assessment classroom setting student worldwide study elementary student education classroom individualization desk school shallow depth of field raising hand unfocused learning chair school book concentration boy elementary age sitting elementary answering studying table pisa survey homework elementary school child schoolboy individual class one person discipline survey oecd pisa focused finland curiosity finnish 10 years old casual clothing caucasian medium shot indoors energy 1012 years static casual