From age 8 to 98, Timothy Bible College offers work-at-your-own-pace courses ranging from "High School Diploma" (8 yr old - ?) to Doctorate of Theology. Most course material is on CDs and can be done at home at one's own pace.
Staring point depends on age, current acheivement level, and willingness.
TBC gives LIfe Credit for work and experience which has contributed to a student's chosen or called field of endeavor. See the Sample Course Page for some of our courses.