Purpose: Many methodological and empirical perspectives on the broker between entrepreneurship education and business start-up performance have been prescribed and implemented. However, limited empirical evidence exists on applying cognitive characteristics as a mediator. Hence, this study focused on the National Youth Service Corps (NYSC) members in Lagos State.   Design/methodology/approach: The cross-sectional survey research design was used, and data were obtained from 406 graduate entrepreneurs at the National Youth Service Camp (NYSC) before registering with SAED-BOI (Bank of Industry), Lagos State 2021 NYSC 21A, and Stream 1 Batch. The total enumeration technique was applied after the sample filtration criteria were established.   Findings: Hierarchical regression analysis results using an SPSS add-on called process analysis found cognitive characteristics significantly mediated the relationship between entrepreneurship education and business start-up performance in Lagos State Nigeria.   Research, Practical & Social implications: The broker (cognitive prowess), is required if entrepreneurship education and business start-up performance must survive, expand, and flourish in different sectors.   Originality/value: The findings is paramount to the trade industry (start-up ecosystem) and education sector as it would serve as a reliable source of information on the necessary and effective entrepreneurship education mix required to boost business start-up performance.