Research is carried out to evaluate the status of environmental education organized through after-class activities. The research aims to analyze the factors impacting on the effectiveness of environmental education in the rural areas of Hau Giang Province. Sociological survey method by interviewing through questionnaires is used in the research. Primary data is collected by non-probability sampling method. The Binary logistic regression model is also selected to determine the factors affecting the effectiveness of the model, based on primary data sources collected from 50 teachers belonging to 10 primary schools in rural areas of Hau Giang province. According to research results, factors which are guidelines and direction of education management authority, facilities and equipment, students' age, budget for environmental education activities and family's support in student’s education have impacts on the effectiveness of the education model in the research.