Of course, if you think of a poetic group name, consider two aspects. First, primary schools are relatively young, and time has passed for a long time. Second, classmates are not others. The name of the group should not only evoke the nostalgia of the students, but also highlight the primary school.
3, the age should be 6 to 12 years old, belonging to childhood, lively and naive, and the group name can be called: childhood, reminiscing about childhood, unforgettable childhood, etc.