Complex sentence: The name of the school was The Assyrian Private School of Sarsing and the primary language of teaching was Arabic as well as Syriac and English were taught starting from first and second grades respectively.
Split into simpler sentences: The name of the school was The Assyrian Private School of Sarsing and the primary language of teaching was Arabic, as well as Syriac and English. The languages were taught starting from first and second grades respectively.