“九年(nian)(nian)一貫(guan)制”學校，通(tong)(tong)常是指該校的小學和初(chu)中施行一體化(hua)的教育(yu)(yu)，小學畢業后可(ke)直升本校初(chu)中，“小升初(chu)”原則上(shang)不許(xu)擇校流動(dong)，希望(wang)在本校升初(chu)中的學生也不用(yong)為上(shang)初(chu)中費盡(jin)心(xin)思；九年(nian)(nian)一貫(guan)制學校的年(nian)(nian)級(ji)(ji)(ji)通(tong)(tong)常被稱(cheng)為1年(nian)(nian)級(ji)(ji)(ji)、2年(nian)(nian)級(ji)(ji)(ji)……，至9年(nian)(nian)級(ji)(ji)(ji)。這(zhe)樣在學生年(nian)(nian)齡較小，適應(ying)能力較弱(ruo)的時候的教育(yu)(yu)會有(you)一個連貫(guan)性。

"十(shi)二年(nian)一(yi)(yi)貫(guan)制(zhi)學(xue)(xue)校(xiao)"是(shi)(shi)指集小(xiao)學(xue)(xue)、初中(zhong)(zhong)(zhong)(zhong)和高中(zhong)(zhong)(zhong)(zhong)為一(yi)(yi)體的12年(nian)一(yi)(yi)貫(guan)制(zhi)學(xue)(xue)校(xiao)。學(xue)(xue)校(xiao)主要有三(san)個特點，一(yi)(yi)是(shi)(shi)連(lian)貫(guan)性(xing)，學(xue)(xue)生可以從(cong)(cong)從(cong)(cong)一(yi)(yi)年(nian)級至十(shi)二年(nian)級，相繼完成(cheng)小(xiao)學(xue)(xue)至高中(zhong)(zhong)(zhong)(zhong)教(jiao)(jiao)育，其間(jian)(jian)不(bu)間(jian)(jian)斷、不(bu)選拔。二是(shi)(shi)就近入(ru)學(xue)(xue)、取消招生考(kao)試。小(xiao)升(sheng)初直接升(sheng)入(ru)本校(xiao)初中(zhong)(zhong)(zhong)(zhong)和高中(zhong)(zhong)(zhong)(zhong)，不(bu)必(bi)再受小(xiao)升(sheng)初、中(zhong)(zhong)(zhong)(zhong)考(kao)折(zhe)磨(mo)之(zhi)苦。三(san)是(shi)(shi)實行統一(yi)(yi)的學(xue)(xue)校(xiao)行政(zheng)、教(jiao)(jiao)育、教(jiao)(jiao)學(xue)(xue)管理。