This is the 6414th most frequent Russian word.
школьники
Schoolchildren.
The word 'школьники' is used as the subject of this sentence to refer to school students in a general sense.
Школьники учатся в школе.
Students learn at school.
Here, 'школьники' refers to specific students observed engaging in an activity, showcasing its usage in a descriptive context.
Я видел, как школьники играют на дворе.
I saw schoolchildren playing in the yard.
In this sentence, 'школьники' indicates active participants in an organized effort, illustrating their role in a productive activity.