This study sought to assess the implementation of business education curriculum in colleges of education in north-west geo-political zone of Nigeria. The research has four specific objectives, four research questions which were meant to guide the study and four null hypotheses which were tested at 0.05 level of significant. The study adopted survey research design. The population of the study was one thousand six hundred and nineteen (1619) NCEIII students of business education across the colleges of education in the Zone. A Sample three hundred and twenty three students (323) was randomly selected from the population, where 20% of NCE III Students was proportionately picked from respective colleges under study. The collection of data was done with the help of research assistants in the respective colleges of education. Data collection phase lasted for four weeks. Mean score was used to analyze check list, mean and standard deviation were used to answer the research questions while regression statistics was used to test the hypotheses at 0.05 levels of significance. Findings of the study revealed that lecturers? instructional competences, availability instructional resources, lecturers? academic qualification, and effective utilization of instructional resources positively influenced implementation of business education curriculum. Effective implementation of business education curriculum would not be achieved if lecturers? academic qualification is not adequate. Implementation of curriculum can only be actualized when effective utilization of available instructional resources is maintained. The researcher made four recommendations among which is that, Government and college of education authorities should at regular intervals organize workshops, seminars and conferences in order to improve lecturers? instructional competences for effective implementation of Business education curriculum.