Complex sentence: Further consolidation occurred in advance of the 2005-06 school year when the K-G School District consolidated with the neighboring Blue Sky School District, forming the North Star Public School District (Districts 99 and M).
Split into simpler sentences: Further consolidation occurred in advance of the 2005-06 school year. The K-G School district itself consolidated with the neighboring Blue Sky School District forming the North Star Public School District (Districts 99 and M).