Informasi Mengenai IDN www.idn.sch.id facebook.com/idnboardingschool InstagramNo Kantor :SMP : 021 2294 9952SMK : 021 2294 9998Tlp/SMS/WA :wa.me/6282210102004 (SMK Ikhwan)wa.me/6282210102006 (SMP Ikhwan)wa.me/6285710707656 (SMP/SMK Akhwat)wa.me/6281280040100 (Yayasan IDN)