The purpose of this study is to know the effect of entrepreneurship attitude of manager and cooperative member motivation in enhancing member participation in North Sumatera Province, Indonesia. A questionnaire survey with a 1-5 Likert Scale is executed to achieve the objective of the study. Respondents consist of 100 managers and 100 members of the cooperatives. Data is analyzed using SPSS v. 20. The results show that manager entrepreneurship attitude and member motivations correlated significantly in increasing the participation of cooperative members with r1 = 0.866 (p-value=0.00) and r2 = 0.902 (p-value=0.00), respectively. Likewise, entrepreneurship attitude of manager and member motivation have significant effects on increasing member participation. It is also found that R2 = 0.836, and F-value was 247,430 with α≤0.01. This study revealed the independent variable significantly correlated and increased participation of member in the Province of North Sumatera, Indonesia. Thus, it is very important to insert entrepreneurship attitude and motivation in providing cooperative education.