There are significant challenges in persuading authorities to change their long-established education methods.
The bags, which appear like traditional backpacks, come with one or two Kevlar panels, making it bulletproof on one or two sides.
Israeli political leaders sent their young ones off to school.
President Rivlin traveled south to attend the first day of school in Netivot and tell children of his own first grade teacher.
Opposition leader Tzipi Livni made a point of speaking a Druze school in Daliat Al-Carmel, protesting the coalition's passage of the Jewish Nation-State Law.