In most of the construction projects, there is always an element of running into delays in project completion time, costs overruns from variations and associated time overruns, lack of satisfying client requirements, clashes on site during construction – just to mention a few. Building Information Modelling (BIM) is being used to solve most of these challenges that pose such risks to a project. The study looked the effect of scheduling on performance of project constructions in Uasin Gishu County. The study targeted a population of 197 respondents who constitute of Technical staff and Non - technical staff. The study used census research design. Questionnaires were used to collect information from respondents. In order to ascertain reliability of the research instruments, the researcher piloted the instruments by distributing 30 questionnaires to respondents from Uasin Gishu County Government selected randomly from the various sections, which were not be part of the county to be sampled for this study. Descriptive statistics was used to analyse the data. Descriptive statistics included frequency, percentages, means, standard deviation and frequency distribution. Inferential statistics used was correlation and linear regression. The study found out that there was a significant and positive effect of project scheduling on construction projects performance Uasin Gishu County Government (β=0.198; p<0.05). The study concluded that proper project scheduling leads to an increased project performance risk management plays an important role in project management because without it project managers cannot define their objectives for future and project monitoring plays a vital role in project manager’s decision making processes since it helps project managers and their teams to foresee potential risks and obstacles that if left unaddressed could derail the project. The study recommends that the County Government should continue with good practices of ensuring resources are allocated with good practices of ensuring resources are allocated to projects from interception until closure.