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</html><thumbnail_url>https://akpersintang.ac.id/blog/wp-content/uploads/2026/02/osis-sma-768x432.png</thumbnail_url><thumbnail_width>600</thumbnail_width><thumbnail_height>338</thumbnail_height><description>Organisasi Siswa Intra Sekolah (OSIS) adalah jantung kehidupan non-akademik di setiap Sekolah Menengah Atas (SMA) di Indonesia. Bagi banyak siswa, OSIS bukan sekadar singkatan, melainkan wadah vital untuk mengembangkan diri, menyalurkan aspirasi, dan berkontribusi aktif dalam menciptakan lingkungan sekolah yang dinamis dan positif. Keberadaan OSIS seringkali menjadi penanda kehidupan sosial dan kepemimpinan di sekolah, membentuk &hellip;</description></oembed>
