This study examined the effect of education, in comparison to training the experiential factors on Business Skills Cognition. Business Skills Cognition was a quantitative dependent variable whose measures were generated from five dimensions of business knowledge and practice. Specifically, these dimensions were; Business Growth and Diversification, Risk Aversion and Financing, Business Promotion and Marketing, Business Documentation and Business Organization, Pricing and Supervision. Independent variables were Education, which was considered in terms of levels, kinds of schools attended and subject preferences; Training, defined in terms of period in apprenticeship and type or level, and Experience. The latter variable included factors such as residential background, family background in business, business location, period in business previous employment experienced and age. Data were collected from 208 respondents drawn from a cross-section of informal sector entrepreneurs in nine trading centres from Kisii, Kisumu and Nakuru districts. The centres were categorized into major urban, semi-urban and rural according to their level of urbanicity and threshold of activities. The respondents were selected through stratified random sampling procedure. The sampling frame was constructed from a preliminary census survey, which was initially carried out to determine the accessible population for the study.