All of these options could be joined with a co-op approach between several families. They could share the teaching load (Family A teaches math, Family B teaches science, and Family C teaches English to all of the students in families, A, B & C). Or… they could form a class from all of their students, and pool their money to hire a “teacher/tutor” for the class. The teacher could teach all of part of the course.
 
Correspondence School Diploma
 
Correspondence School – No Diploma
 
Mix and Match School
 
Do Your Own Thing School
 
Unschooling