Tesis ini membahas eksplorasi dan manifestasi pengetahuan tasit pada siswa SMP di Sekolah Lazuardi GIS Cinere dengan menggunakan kerangka analisa Nonaka & Takuechi (1995). Penelitian ini adalah penelitian kualitatif dengan desain deskriptif analitis. Hasil penelitian menunjukkan bahwa masing-masing murid telah memiliki pengetahuan tasit berdimensi teknis dan kognitif sebelum mereka menjadi murid SMP Lazuardi GIS. Pengetahuan tersebut di bawa oleh tiga agen sosialisasi dominan, yakni keluarga, agama, dan media massa. Pengetahuan tasit tersebut dieksplorasi di sekolah pada program pengayaan sekolah dan program inti sekolah. Sedangkan manifestasi pengetahuan tasitnya terdapat pada kurikulum intangible-nya (hidden curriculumatau kurikulum yang tidak kelihatan secara kasat mata tetapi dapat dirasakan dalam budaya sekolah, seperti visi-misi-filosofi sekolah dan hal-hal apa saja yang ingin dikembangkan pada murid-muridnya).

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This thesis explains about exploration and manifestation tacit knowledge of Junior High School Student in Lazuardi GIS Cinere with Nonaka and Takeuchi (1995) frame analysis. This thesis is a qualitative research with descriptive analysis design. The result showed that each student had their own tacit knowledge either in tecnical dimension or kognitif dimension before they became a Junior High School student in Lazuardi GIS Cinere. That knowledge was brought by three dominant socialization agents, namely family, religion, and mass media. That tacit knowledge was explored by the school on school enrichment programs and school core programs. While the tacit knowledge manifestation could be found in its tangible curriculum (hidden curriculum or a curriculum that is invisible but can only be felt within its school culture, such as school vision and mission and things that the school wants to be flourished).