noun
conditional promotion
Used in educational contexts for advancing a student to the next grade on a provisional basis, often with requirements to make up work or pass supplementary exams.
仮進級が認められたが、夏休み中に補習を受けなければならない。
I was granted conditional promotion, but I have to take supplementary lessons during the summer break.
原級留置 means being held back a grade, the opposite of promotion.
Compound of 仮 (かり, 'temporary, provisional') and 進級 (しんきゅう, 'promotion to the next grade').