noun
Japanese high-school equivalency exam
Abbreviation of 高校卒業程度認定試験. Used in educational contexts to refer to the exam that certifies academic ability equivalent to a high school diploma.
See also: 高校卒業程度認定試験
高認に合格すれば、大学受験資格が得られます。
If you pass the high-school equivalency exam, you become eligible to apply for university.