Mathematics is significantly relevant in everyone’s lives, especially for students. Nevertheless, regardless of how important the subject is, many students seem to worry about it. Mathematics anxiety was often associated with the performance of students in mathematics. This study aimed to determine the influence of mathematics anxiety on junior high school students mathematics performance at Muertegui National High School. The study utilized a descriptivecorrelational survey design. In this study, 250 junior high school students in Muertegui National High School were sampled and identified using stratified random sampling. Using a survey questionnaire as a research instrument to gather the data, the 5-point Likert scale was used for scoring purposes. Descriptive statistics such as frequency, percentage, standard deviation, mean, and average weighted mean were analyzed and processed using MS Excel Analysis ToolPak. Pearson Product Moment Correlation was used to get the r value, while Correlation Calculator Website was used to get the pvalue. The findings showed that the mathematics performance level of junior high school students in Muertegui National High School was good. However, some students still received poor grades for the subject. In addition, the study revealed that mathematics anxiety negatively affects the mathematics performance of the students in Muertegui National High School. The study also revealed no significant relationship between mathematics anxiety and the mathematics performance of the students. Thus, it is recommended that the school have relevant learning strategies and materials for improving mathematics teaching and learning effectiveness for the students.

Keywords : Anxiety, High School Students, Influence, Mathematics, Performance.