初三(san)(san)又稱(cheng)為九年(nian)(nian)(nian)級(9th Grade)是(shi)初中的最后一年(nian)(nian)(nian),在中國內地稱(cheng)做初三(san)(san),在香港(gang)稱(cheng)做中三(san)(san),在臺灣曾經(jing)稱(cheng)做國三(san)(san),歐美稱(cheng)做九年(nian)(nian)(nian)級。由(you)于即將面臨升讀高中,因此九年(nian)(nian)(nian)級是(shi)僅次于十二年(nian)(nian)(nian)級(也(ye)稱(cheng)作高三(san)(san))排名第(di)二的重要(yao)年(nian)(nian)(nian)級。