This research aims to extract key keywords perceived by school principals in the context of Korean Language Schools in the United States. Schools and analyze the topic modeling of their perceptions. After reviewing previous studies related to the perceptions of Korean language schools and their constituents, interviews were conducted with principals currently in service of Korean Language Schools in the United States. After data cleaning, keyword frequency analysis, word cloud visualization, centrality analysis, and topic modeling analysis were conducted. The research results showed that the key perception keywords of school principals regarding Korean Language Schools in the United States ranked highest as students, teachers, Korean language, school, and Korea. According to centrality analysis, keywords like students, teachers, Korean language, and school exhibited numerous connection relationships, short connection distances, many connections with important nodes, and acted as mediators. Finally, the topics were named as Topic1 to Topic4, including interpersonal relationships, mutual cooperation, school management, teaching and learning, and curriculum. Keywords for each group were extracted, and topic modeling was conducted. The analysis revealed that Topic1, Topic5, Topic2, and Topic3 groups were connected, centered around keywords such as foreign, textbooks, and teacher recruitment, while Topic4 group appeared separately without connections to other groups. Based on the results, it is expected that these findings can be used as a resource to understand the actual state of Korean Language Schools in the United States and contribute to their development in the future.