This study aimed to find out how students' self-efficacy and speaking ability and how the relationship between self-efficacy and speaking ability is owned by students. This research is a quantitative research. The subject of the study was grade 11 natural sciences 3 at SMAN 1 Pemangkat. In taking data for research, researcher used direct and indirect techniques, namely there are 2 methods used in this study, questionnaires and tests. The analysed data used rubric assessments and correlation formulas obtained through questionnaires and tests. Which is used to found out how the student's self-efficacy and student's speaking ability and the relationship between the two variables in grade 11 science grade 3 at SMA N 1 Pemangkat.
As the result, the researcher revealed that there are students who have high and moderate self-efficacy, 10 students have moderate self-efficacy and 15 students have high self-efficacy if in percentage there are 40% of students who have moderate self-efficacy and there are 60% of students who have high self�efficacy. furthermore, as a result of students' speaking ability, there are 5 students
who have high speaking ability scores, and 20 people are in an average score of the 60-70s. Furthermore, the results of the relationship between student self-efficacy and speaking ability had a positive result with a result of 0.383 which in the correlation table was included in a low relationship. Based on the results described above, it can be concluded that students in grade 11 of natural sciences 3 have intermediate and high self-efficacy, this is very good for students considering that no one has low self-efficacy and the relationship between self�efficacy and student speaking ability is at a low level, this is also quite good for
students because there is a positive relationship between the two variables.

Keywords: Self-efficacy, Speaking Ability, Correlation, Quantitative Study