“九年(nian)(nian)(nian)(nian)一(yi)貫(guan)制”學(xue)校(xiao)，通常是指該校(xiao)的(de)(de)小學(xue)和初(chu)(chu)(chu)中(zhong)(zhong)施(shi)行一(yi)體化的(de)(de)教(jiao)育，小學(xue)畢業后(hou)可直升本校(xiao)初(chu)(chu)(chu)中(zhong)(zhong)，“小升初(chu)(chu)(chu)”原則上不許擇(ze)校(xiao)流動，希望(wang)在(zai)本校(xiao)升初(chu)(chu)(chu)中(zhong)(zhong)的(de)(de)學(xue)生(sheng)也(ye)不用為上初(chu)(chu)(chu)中(zhong)(zhong)費(fei)盡(jin)心(xin)思；九年(nian)(nian)(nian)(nian)一(yi)貫(guan)制學(xue)校(xiao)的(de)(de)年(nian)(nian)(nian)(nian)級(ji)(ji)通常被稱為1年(nian)(nian)(nian)(nian)級(ji)(ji)、2年(nian)(nian)(nian)(nian)級(ji)(ji)……，至9年(nian)(nian)(nian)(nian)級(ji)(ji)。這樣在(zai)學(xue)生(sheng)年(nian)(nian)(nian)(nian)齡較(jiao)小，適應能力較(jiao)弱的(de)(de)時候(hou)的(de)(de)教(jiao)育會有一(yi)個連貫(guan)性。

"十二(er)年(nian)(nian)一(yi)(yi)貫制(zhi)學校(xiao)"是(shi)(shi)指集小(xiao)(xiao)學、初中(zhong)(zhong)(zhong)(zhong)和(he)高(gao)(gao)中(zhong)(zhong)(zhong)(zhong)為一(yi)(yi)體的(de)12年(nian)(nian)一(yi)(yi)貫制(zhi)學校(xiao)。學校(xiao)主(zhu)要有(you)三個特點，一(yi)(yi)是(shi)(shi)連貫性(xing)，學生(sheng)可以(yi)從(cong)從(cong)一(yi)(yi)年(nian)(nian)級至十二(er)年(nian)(nian)級，相繼完(wan)成小(xiao)(xiao)學至高(gao)(gao)中(zhong)(zhong)(zhong)(zhong)教(jiao)育(yu)，其間(jian)不(bu)間(jian)斷、不(bu)選(xuan)拔。二(er)是(shi)(shi)就近入(ru)學、取消招生(sheng)考試(shi)。小(xiao)(xiao)升初直接升入(ru)本校(xiao)初中(zhong)(zhong)(zhong)(zhong)和(he)高(gao)(gao)中(zhong)(zhong)(zhong)(zhong)，不(bu)必再(zai)受(shou)小(xiao)(xiao)升初、中(zhong)(zhong)(zhong)(zhong)考折磨之苦。三是(shi)(shi)實行統一(yi)(yi)的(de)學校(xiao)行政、教(jiao)育(yu)、教(jiao)學管理。