“九年(nian)(nian)(nian)一(yi)貫制(zhi)”學校，通(tong)常(chang)是指該(gai)校的(de)小學和初(chu)(chu)(chu)中(zhong)(zhong)施行一(yi)體化的(de)教(jiao)育，小學畢業后可直升本校初(chu)(chu)(chu)中(zhong)(zhong)，“小升初(chu)(chu)(chu)”原(yuan)則上不許擇校流動，希望在本校升初(chu)(chu)(chu)中(zhong)(zhong)的(de)學生(sheng)也(ye)不用為上初(chu)(chu)(chu)中(zhong)(zhong)費(fei)盡心思(si)；九年(nian)(nian)(nian)一(yi)貫制(zhi)學校的(de)年(nian)(nian)(nian)級(ji)通(tong)常(chang)被(bei)稱為1年(nian)(nian)(nian)級(ji)、2年(nian)(nian)(nian)級(ji)……，至9年(nian)(nian)(nian)級(ji)。這樣(yang)在學生(sheng)年(nian)(nian)(nian)齡較(jiao)小，適(shi)應(ying)能力較(jiao)弱的(de)時候的(de)教(jiao)育會(hui)有(you)一(yi)個連(lian)貫性(xing)。

"十二年(nian)一貫制(zhi)(zhi)學(xue)(xue)校(xiao)"是(shi)指集小(xiao)(xiao)學(xue)(xue)、初(chu)(chu)(chu)中(zhong)和高(gao)中(zhong)為一體的12年(nian)一貫制(zhi)(zhi)學(xue)(xue)校(xiao)。學(xue)(xue)校(xiao)主要有三(san)個特點，一是(shi)連貫性，學(xue)(xue)生(sheng)可以(yi)從(cong)從(cong)一年(nian)級至十二年(nian)級，相繼完(wan)成小(xiao)(xiao)學(xue)(xue)至高(gao)中(zhong)教育，其間(jian)不間(jian)斷、不選拔。二是(shi)就近(jin)入學(xue)(xue)、取消招生(sheng)考(kao)試。小(xiao)(xiao)升(sheng)初(chu)(chu)(chu)直接升(sheng)入本校(xiao)初(chu)(chu)(chu)中(zhong)和高(gao)中(zhong)，不必再受(shou)小(xiao)(xiao)升(sheng)初(chu)(chu)(chu)、中(zhong)考(kao)折磨(mo)之苦。三(san)是(shi)實行統(tong)一的學(xue)(xue)校(xiao)行政、教育、教學(xue)(xue)管理。