This study aimed to analyze: (1) the effect of learning interest on students' learning outcomes; (2) the effect of peer influence on students' learning outcomes; (3) the effect of learning discipline on students' learning outcomes; (4) the effect of the learning environment on students' learning outcomes; (5) the effect of gadget use on students' learning outcomes; and (6) the simultaneous effects of learning interest, peer influence, learning discipline, the learning environment, and gadget use on students' learning outcomes in Economics. This study employed a quantitative descriptive and associative research design. The population consisted of all 145 eleventh-grade students. A total of 122 students were selected as the sample using the proportional stratified random sampling technique based on parents' income levels. Data were collected using a closed-ended questionnaire with a Likert scale. The data were analyzed using multiple linear regression, classical assumption tests, and hypothesis testing through the t-test and F-test. The results indicated that: (1) learning interest had a positive and significant effect on students' learning outcomes; (2) peer influence had a positive and significant effect on students' learning outcomes; (3) learning discipline had a positive and significant effect on students' learning outcomes; (4) the learning environment had a positive and significant effect on students' learning outcomes; (5) gadget use had a negative and significant effect on students' learning outcomes; and (6) simultaneously, all independent variables had a significant effect on students' learning outcomes.