内陆省
Sekolah Menengah Kebangsaan Pengiran Omar (abbreviated SMKPO) is a secondary school located at the town of Sipitang, in the Interior Division of the state of Sabah, Malaysia. The school is listed as one of 90 pilot smart schools ("Sekolah Bestari") in Malaysia. This school has achieved several awards for their academic and co-curricular performance and have also broken a Malaysian record.