nclsv clssrm s trm sd wthn mrcn pdggy t dscrb clssrm n whch ll stdnts, rrspctv f thr blts r sklls, r wlcmd hlstclly. t s blt n th ntn tht bng n nn-sgrgtd clssrm wll bttr prpr spcl-nds stdnts fr ltr lf. n th ntd Stts, th Rhblttn ct f 1973 grntd cvl rghts t dsbld ppl, thgh nclsn f dsbld stdnts prgrssd slwly ntl th N Chld Lft Bhnd ct f 2001, ftr whch lmst hlf f S stdnts wth dsblts wr sn n gnrl clssrms.
lck f rsrcs hs plcd cnsdrbl brdn n tchrs nd schl brds, wh r ftn nprprd nd sffr frm strss nd frstrtn, ffctng th sccss f prgrms. n dvctd sltn s c-tchng, dblng tchng stff t spprt n nclsv clssrm.