In manpower training, as in any other area , efficient uses ofrnresources is always desirable since it is one of the mostrnimportant determining factors . Simulteneously, quality of therntraining should also be givDn due consideration in parallel with thatrn) f efficiency . The promissi Dg or effective out come of training ofrnnurses obviously is not different .Qu t of the five schools fo r therntraining of nurses in the country , the Centralized School of Nursingrnof Addis Ababa and the Nursing School of l~smara are studied . Choice ofrnthese schools i s based on convenience and feasibility for the study .rnThe main concern of the study is to estimate the cost of trainingrnnurse s in Ethiopia based on the experiences of the two schools ofrnnurs ing . The study also c overs the effect of attrition ~n the cost ofrntraini n g & the staff - student ratios during 1973 - 1977 E , C.rnThe study sho>ls that , on the average the Centralized School ofrnNursing spends Birr 2145 . 35 per student per year while the Asmara Nurs i ngrnSchool spends Birr '1306 . ·t4 per student per year . The average totalrncost per student from enrollment up to graduation at the CentralizedrnSchool of Nurs ing i s Birr 6233 . 12 while at Asmara School of Nursingrnit is Birr 3686 . 00 .rnAn average Bttrition rate of students of 20 . 4% per y ear at thernCentralized School of Nursing and 15 . 5% per year at Ls:nara NursingrnSchool is observed based on studying three consecuti ve batches inrnboth schools . Attrition has shNID a s tatistically s i gnificant effectrnon the cost of the training in both schools .rnvrnvrnlrnIf there Here not any attritirn of students , the mean cost "auld bernreduced by 27 . 5% for tlae Centralized School " f Nursing and by 19%rnfor the Asmara Nursing School .rnCost per student per year and cost per trained student betHeenrnthe t'10 schools Here also compared . And it Has found out that thernCentralized School of Nursing spends significantly m~re in bothrnaspec t s • . ( P < 0 . 0005 ) .rnThe !tsmara Nursing School has staff- student ratio Hith an annualrnaverage of 1 :20 and ranging frnm 1:13 to 1 :24 . The Centralized Schoolrnrf Nurs i ng has an aver age staff- student rati " 0f 1:13 , ranging f~0mrn1 : 10 to 1 :15 . In b oth cases only the teaching staff are consideredrnfrr calculating staff- student ratios .rnRecommendations are made based on the findings of the study