The aim of this study was to validate the questionnaire of organization ability of staffs that was developed by Williams, in University of Brighton. This questionnaire was validated based on the fresh data collected through the questionnaire from randomly selected 240 staffs in Bonga College of Teachers Education, SNNPR, Ethiopia. Confirmatory factor analysis method was employed for data analysis. The SPSS 20 version and Stata15 Version software were used for the analysis. The results revealed that the questionnaire which was previously loaded under five constructs, (1) preference for organization; (2) goal achievement; (3) planning approach; (4) acceptance of delays; and (5) preference for routine was loaded under three constructs: (1) preference for organization; (2) goal achievement; and (3) acceptance of delays. The organizational ability of staffs in Bonga College of teacher education significantly expressed in terms of Constructs: 'preference of the staff to be organized', 'goal achievement of the staff' and 'acceptance of the staff for delay' in such a way that: Organizational Ability = 0.91 Preference + = 0.61 goal achievement -0.41delay + error.