You sign up with them and choose classes from their course offerings to meet graduation requirements. This is kind of like choosing from the menu at a restaurant. They keep records and issue grades and a diploma.
 
Pros:

• You get a diploma from an institution with a campus school.
• They do the planning work and ensure a proper course, scope, sequence, and requirements.
• They will keep you and your child accountable.
• Parental time involvement is less. Little planning.
• Parent just helps and then tests student.
• They do all of the documentation work for you.

 
Cons:

• You are locked into the school’s time frame.
• You are stuck with the school’s course outline, methods, textbooks, etc.
• The course offerings may not meet your child’s individual needs.
• Your student cannot study their interests in any more depth than the school has course work.
• They might not permit early graduation.