This study aims to determine the marketing strategy carried out at SD Swasta Teladan Sumatera Utara increasing the number of students. The type of research conducted is qualitative research. Data collection techniques are observation, interviews and documentation. The results of the research conducted at the SD Swasta Teladan Sumatera Utara is the Marketing Strategy used by increasing the number of students is to use the 7P marketing mix namely, Product, Price, Place, Promotion, People, Physical Evidence and Process. The next marketing strategy is to create and implement a PSB (New Student Admission) program.