This research is a research which is aimed to improve students biology studying achievement by implementing guided inqury learning srtategy in class VII SMP N 3 Sinaboi in Academic Year 2015/2016. This research was conducted in April-Mei 2016. The subject of this research was student of class VII of SMP N 3 Sinaboi. The number of students was 36 students (18 boys and 18 girls). The Parameter wa…