School WaSH survey was carried out in the primary schools oj Assossa woreda, BGRS, Ethiopia. Itrnwas intended 10 assess the situation and effectiveness of waler supply and sanitation facilities inrnschools, hygiene awareness of teachers, hygiene knowledge and practice of students andrnoutreachingJamilies. The sludy employed muti-stage sampling lIIelhod and accordingly, 16 schoolsrnwere selected frOIll the Woreda(35% oj the schools) Jar JacililY siluation analysis, and oj whichrnthree schools were selected for in-depth study by drawing sampled slIIdenlS from grades ill, 6'11 andrn8'h (1 0% Jrom each grade). About 64 teachers (20% oJ leachers in all salllpled schools) and 166rnstudents (54.2% oj girls) were considered Jar in-depth ' sllrvey. Data were collected byrnquestionnaire, interview, FGD and observation. The dow were analyzed by ellIp/oying statisticalrnmelhods and so}iware (SPSS) along with Ihe chi-sqllare tesl. More than 56% oJthe schools did nOI have access to waleI' wilhinlheir cOlllpollnd. About 56.3% ojrnthe schools were not able to gel water all oj the times and 38% oj the schools Ihal were IIsing theirrnwaler for drinking p1l11)ose were getting their water mainly from IInprotected sOl/rees. Almost allrnrural schools (68.7%) were /Ising unprotected water sources (p