Dissertation (MA Development Studies)This study assessed the capacity of CSOs in addressing the problems of Most Vulnerable Children in Arusha municipality. Four research objectives guided the study and these included; the determination the functions of CSOs dealing with MVC in Arusha municipality, assessment of the capacity of CSOs in managing and taking care of the MVC in Arusha municipality, examination of the efficiency of the methods used by CSOs in identifying MVC in Arusha municipality, and examination of the relationship between the CSOs and the surrounding community in Arusha municipality. Cross survey research designs was employed. The sample size was 92 respondents including 8 key informants making it 100 of total. The study used primary and secondary data. Data were collected through questionnaires, interview, observation and documentary review. Data were analyzed using Statistical Package for Social Science (SPSS) version 16.0 and the use of description was employed. The findings were interpreted and then presented in text form. The study revealed that the CSOs have the capacity in addressing the problem of MVC in Arusha municipality. Despite of the capacity of CSOs in addressing the MVC problem, the centers face so many challenges such as inadequate support from the government, increasing number of MVC which made the centers difficult to handle them. Also, centers face the problem of inadequate funds. The study concludes that the government should give full support to these centers to increase their service deliverance capacity.