Complex sentence: Most of the teachers were local people who are familiar with Arabic language and some of the best of its kind in northern part of Maldives, in exception to Lhaviyani Atoll Naifaru.
Split into simpler sentences: Most of the teachers were local people who are familiar with Arabic language. Some of the best were in the northern part of Maldives, in exception to Lhaviyani Atoll Naifaru.