While students across the country celebrated this weekend by painting each others uniforms and distributing food, students in Garut, West Java, attacked students from other high schools, Antara news agency reported.
In Garut, students from a private vocational school attacked students from other high schools, verifying which school they attended during a parade.
Antara said the students shouted while carrying stones and iron bars, but police dispersed the parade.
In Pamekasan, Madura, vocational students celebrated by giving food to becak (tricycle taxi) drivers and their passengers in front of the school. In Karawang, West Java, Islamic school students celebrated by painting their uniforms with spray paint and markers, Antara said.