noun, noun or participle which takes 'suru'
going to the school infirmary instead of class
Refers to a student who comes to school but stays in the infirmary rather than attending regular classes, often due to emotional or social difficulties. Used as a noun or with する.
彼は不登校の代わりに保健室登校を選んだ。
Instead of staying home, he chose to go to the school infirmary.
保健
Students who go to the infirmary are also counted as present.