Based on proximity (classmates, neighbors) and playing together.

: Their lifestyle is still heavily "monitored," with parents often waiting at the gate or strictly managing their "screen time".

They consume massive amounts of content on YouTube Kids or standard YouTube, favoring toy reviews, animated stories, and let's-play videos.

Conversely, the is a performance. This is the age of malu-malu kucing (shy cat) syndrome, where every action is calculated for peer perception. Their world has shifted indoors or to specific "hangout" spots like a local indomaret or a friend's house with Wi-Fi. The uniform becomes a canvas for self-expression—rolled sleeves, specific pin placements, or the brand of shoes. Their social currency is digital relevance: followers on TikTok, views on Instagram stories, and status in WhatsApp groups. Physical chaos is replaced by curated chaos; instead of running, they walk in groups, pretending to ignore the opposite gender while secretly obsessing over who liked their last photo.

The jump from SD to SMP is one of the biggest glow-ups (or glow-downs, depending on your perspective) in Indonesian youth culture. Gone are the days of senam pagi and snack breaks. Hello, tugas kelompok , PDKT , and the constant fear of OSIS patrol.