One fine spring day, more than ten years ago, the respected Comrade General Secretary Kim Jong Un visited Changjon Primary School in Central District newly built in Changjon Street to show warm affection for the students.

Sopho Senior Middle School in Hyongjesan District has set up new laboratories and practice spaces by itself, thereby laying a solid foundation for experiment and practice of its students.

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Chongnyu Primary School in Taedonggang District, Pyongyang has set an example in developing new teaching methods and generalizing them throughout the country.…