(さんがっき)

さんがっき
noun
third school term
educationtime-period
1. third school term; winter term
The last of the three terms in the Japanese school year, running roughly from early January to late March. It is the shortest term and ends with graduation and the close of the school year.
三学期(さんがっき)(はじ)まった
The third term has started.
三学期(さんがっき)(みじか)で、あっという()()わる。
The third term is short, so it's over in no time.
Your third-term grades also affect your path after graduation.

(さん) (three) + 学期(がっき) (school term). Note the sound change: 学期(がっき) keeps its reading, but the compound is read さんがっき, not さんくき.

Common collocations

Cultural note

Most Japanese elementary and junior high schools divide the year into 一学期(いちがっき) (April–July), 二学期(にがっき) (September–December), and 三学期(さんがっき) (January–March). Some schools have moved to a two-semester 二期制(にきせい) system, in which case 三学期(さんがっき) does not exist.