21st-century learning requires a variety of skills that must be mastered by students, one of which is collaboration skills. Reality showed that AKL Class X students' collaboration skills in Wikarya Karanganyar Vocational School were in the not good category, amounting to 43,52%. This study aims to obtain empirical evidence that the SAVI learning model application assisted by e-learning-based Accounting Puzzle media could improve the collaboration skills of class X AKL in Wikarya Vocational High School Karanganyar students. This research was a Classroom Action Research conducted in two cycles, consisting of four stages: action planning, action implementation, observation, and reflection. Data collection techniques used observation, interviews, and documentation. Data analysis employed qualitative data and quantitative data. This study determined the achievement indicator for collaboration skills' success by 62,5%, classified in the good category. In the preaction, the percentage of collaboration skill indicators was 43,52% in the not good category; the first cycle increased to 57,72% in the sufficient category; the second cycle also increased to 72,84% in the good category. Based on this research, the SAVI learning model assisted by e-learning-based Accounting Puzzles media could improve collaboration skills.