School systems or more specifically school districts can use websites in many ways. Some of the most important uses would be to deliver crucial material to parents and administration.
In the way of the administration a school district, the board of education can relay important information about state mandates and regualtions. Keeping each individual school informed on all the safety procedures and if an emergency is taking place with in the district.
As for parents a school system can use a website to relay important information such as enrollment date and requirements. A school system can also be used as a portal to guide partents to their designated, or home, school's individual website.
School systems can use their site to display school calendars, important forms, school district lines, bus routes, school district administration. While these site are mostly information sites, they can be a great way to display how the school system works in a particular district.
LWEBG can help you set up your school districts website.