The major objective of the study was to assess teacher perception of the implementation of agricultural science curriculum in senior secondary schools in Niger State. Four specific objectives were stated which included to; determine the influence of teachers' qualification/competencies, ascertain the influence of adequacy of infrastructure/instructional facilities and assess influence of adequacy of funding on implementation of agricultural science curriculum in senior secondary schools in Niger State. Four research questions and four null hypotheses were stated for the study.Population for the studycomprised 332 agricultural science teachers, 216senior secondary schools in the seven Education Zones in Niger State. Descriptive survey design was used for the study. Sample size for the study was 69 agricultural science teachers. A40 item self-designed questionnaire was used for the study.The research questions were analyzed using descriptive statistics (arithmetic mean) and the null hypotheses were tested using inferential statistics(regression analysis at 0.05 level of significance). All the four null hypotheses tested were rejected. The findings of the study showed that;teachers' qualification/competencies, adequacy of infrastructure/instructional facilities and adequacy of funding had significant influence on implementation of agricultural science curriculum in senior secondary schools in Niger State. Based on the findings of the study,the researcher recommended that;only qualified teachers of agricultural science should be engaged in the teaching of the subject and adequate instructional facilities should be provided in schools. Better funding of practical in agricultural science from the government and school authority