They also demanded the rehabilitation of magistrate courts across the state and the non-provision of official vehicles to members.
The violence includes being hit by family members, being bullied at school, as well as physical, emotional, and sexual violence, WHO said.
UNESCO noted that globally, one in three students reported experiencing bullying in the previous month.
Mr Shettima described the event as solemn, saying the minors were released despite “compelling and inconvertible” evidence.
Mr Sanusi emphasised the need for these laws to combat the growing trend of jungle justice in Nigeria.
Thirty-two out of those charged were children between 10 and 17 years old.
”Such actions are not only inhumane but also unjust,” he said.
“The federal government’s chart must be used and not for the state to adopt a discriminatory package for workers on different grade levels,” the NULGE president said.
Protesters arraigned were picked up from different states, including Abuja, Kano, Plateau, Kaduna, Gombe and Katsina.
He said the decision was in line with the union’s concern for the tertiary education system so as not to disrupt the academic calendar.
