biaya, sekolah, Global Islamic School, gis, sma, smp, serpong, condet, artis, yang, sekolah, di, review, bekasi, lowongan, kerja, depok, pendaftaran, penerimaan, siswa, baru, terbaru, informasi, info, spp, per bulan, jadwal, 2018, 2019, 2020, 2021, 2022, sd, smp, sma, primary