“九年(nian)(nian)(nian)(nian)一貫制”學(xue)校(xiao)，通(tong)常是指該校(xiao)的(de)(de)(de)小(xiao)(xiao)學(xue)和初中施行一體(ti)化的(de)(de)(de)教育，小(xiao)(xiao)學(xue)畢業后可直升(sheng)本校(xiao)初中，“小(xiao)(xiao)升(sheng)初”原則上不(bu)許(xu)擇校(xiao)流動，希望(wang)在(zai)本校(xiao)升(sheng)初中的(de)(de)(de)學(xue)生也不(bu)用為上初中費盡(jin)心(xin)思；九年(nian)(nian)(nian)(nian)一貫制學(xue)校(xiao)的(de)(de)(de)年(nian)(nian)(nian)(nian)級(ji)(ji)(ji)通(tong)常被稱(cheng)為1年(nian)(nian)(nian)(nian)級(ji)(ji)(ji)、2年(nian)(nian)(nian)(nian)級(ji)(ji)(ji)……，至9年(nian)(nian)(nian)(nian)級(ji)(ji)(ji)。這樣(yang)在(zai)學(xue)生年(nian)(nian)(nian)(nian)齡較小(xiao)(xiao)，適應能力較弱的(de)(de)(de)時候的(de)(de)(de)教育會有一個連貫性。

"十二年(nian)(nian)一(yi)貫制學校"是(shi)(shi)(shi)指集小學、初(chu)(chu)(chu)中(zhong)(zhong)和高(gao)中(zhong)(zhong)為一(yi)體的12年(nian)(nian)一(yi)貫制學校。學校主(zhu)要有(you)三個(ge)特點，一(yi)是(shi)(shi)(shi)連貫性，學生(sheng)可(ke)以(yi)從(cong)從(cong)一(yi)年(nian)(nian)級(ji)至(zhi)十二年(nian)(nian)級(ji)，相繼完成小學至(zhi)高(gao)中(zhong)(zhong)教育，其(qi)間(jian)不(bu)(bu)間(jian)斷、不(bu)(bu)選拔。二是(shi)(shi)(shi)就近入(ru)學、取消招生(sheng)考試。小升(sheng)(sheng)初(chu)(chu)(chu)直(zhi)接升(sheng)(sheng)入(ru)本校初(chu)(chu)(chu)中(zhong)(zhong)和高(gao)中(zhong)(zhong)，不(bu)(bu)必再受小升(sheng)(sheng)初(chu)(chu)(chu)、中(zhong)(zhong)考折磨(mo)之苦。三是(shi)(shi)(shi)實行(xing)(xing)統(tong)一(yi)的學校行(xing)(xing)政、教育、教學管理。