サポート校
Meanings
1
support school for correspondence high school students
A private institution that provides supplementary classes, guidance, and a study environment for students enrolled in correspondence high schools (通信制高校). Not an accredited school itself.
See also: 通信制高校
While enrolled in a correspondence high school, I attend a support school a few days a week to study.
At the support school, they help with writing reports for the correspondence high school.