I wore blue denims plus a T-shirt having a jilbab. My Close friend wore blue denims, a T-shirt, along with a checkered shirt. She didn't dress in a jilbab. We didn't observe a billboard that said the school is a mandatory hijab zone. There are many schools in Gorontalo with https://jilbabcewek.blogspot.com/search/q=jilbab%20warna%20dark%20grey