SSC Information:

According to California Education Code, Section 52012:  

A schoolsite council shall be established at each school that participates in the school improvement program authorized by this chapter.  The council shall be composed of the principal and representatives:  teachers selected by teachers at the school; other school personnel selected by other school personnel at the school; parents of pupils attending the school selected by such parents; and, in secondary schools, pupils selected by pupils attending the school.  At the elementary level the council shall be constituted to ensure parity between (a) the principal, classroom teachers and other school personnel; and (b) parents or other community members selected by parents.  In schools with fewer than three teachers, this requirement may be met by establishing a council that is composed of equal numbers of school staff and parents or other community members selected by parents.  At the secondary level the council shall be constituted to ensure parity between (a) the principal, classroom teachers and other school personnel and (b) equal numbers of parents or other community members selected by parents, and pupils.  

In general:  

The school site council is a group of teachers, parents, and classified employees that works with the principal to develop, review and evaluate school improvement programs and school budgets. The members of the site council are generally elected by their peers. For example, parents elect the parent  representatives and teachers elect teachers.  Site councils generally either make decisions or advise the principal on the school budget and the academic or school improvement plan. In addition to academic planning, many site councils are also responsible for making decisions about parent engagement, safety and discipline.  School site council members don't just represent their own interests. They have an obligation to make decisions that will best serve the whole school community. In fact, many site councils are specifically charged with finding ways to close gaps in achievement between groups of students.