This is a kind of squadron numbering of Young Pioneers. Of course, it is most common to name squadrons after grades and classes. For example, the squadron of Class 3, Grade 4. Teams are organized in order, such as team one and team two.
Primary school squadrons are class cadres in primary schools. Squadron Committee is the organization of Chinese Young Pioneers, which is generally divided into corps, brigade, squadron and squad from big to small. Duties of the squadron: Convene and preside over the squadron committee and various squadron meetings. Be fully responsible for the activities of the students of this squadron in morality, intelligence, physical fitness, beauty and labor, and formulate the squadron work plan according to the requirements of the brigade and the opinions of the squadron Committee. Hold a joint meeting of squad leaders, arrange work, exchange experience and check the implementation of the resolutions of the squadron Committee. Help squadron members and team leaders to carry out squadron and team work. Communicate with other squadrons, exchange activity information, and improve the work of this squadron. When the brigade meets, count the number of its own squadron and report to the battalion chief.