Penelitian ini bertujuan untuk menguji pengaruh knowledge sharing dan absorptive capacity dalam meningkatkan kinerja inovasi pada Sekolah Dasar Islam Terpadu Ulul Albab Kota Tarakan. Pada penelitian ini menggunakan pendekatan kuantitatif dengan metode survey, pengumpulan data menggunakan kuesioner. Penentuan sampel menggunakan sampel jenuh dengan jumlah responden 62 orang. Untuk uji hipotesis digunakan metode analisis jalur (path), uji regresi secara parsial, uji signifikansi simultan, uji determinasi, dan uji sobel. Metode analisis menggunakan alat analisis dengan bantuan program IBM Statistical Package for the Social Sciences (SPSS) versi 25. Hasil penelitian ini menunjukkan bahwa knowledge sharing berpengaruh positif dan signifikan terhadap kinerja inovasi, knowledge sharing tidak berpengaruh dan tidak signifikan terhadap absorptive capacity, absorptive capacity tidak berpengaruh dan tidak signifikan terhadap kinerja inovasi dan absorptive capacity tidak memediasi hubungan knowledge sharing dan kinerja inovasi.
Kata kunci : Knowledge Sharing, Absorptive Capacity, Kinerja Inovasi.

This study aimed to test the effect of knowledge sharing and absorptive capacity in improving innovation performance at the Integrated Islamic Elementary School Ulul Albab Tarakan City. This study uses a quantitative approach with a survey method and data collection using a questionnaire. The sample was determined using a saturated sample with 62 respondents. The hypothesis testing used the path analysis method, partial regression test, simultaneous significance test, determination test, and Sobel test. The analysis method uses analysis tools with the IBM Statistical Package for the Social Sciences (SPSS) program version 25. The study results showed that knowledge sharing has a positive and significant effect on innovation performance, knowledge sharing has no significant effect on absorptive capacity, absorptive capacity does not have a significant effect on innovation performance and absorptive capacity does not mediate the relationship between knowledge sharing and innovation performance. Keywords: Knowledge Sharing, Absorptive Capacity, Innovation Performance.