Complex sentence: It was part of the school district's "One-to-One" initiative, a program piloted in September 2008 at Harriton High School in Rosemont, Pennsylvania, and expanded in September 2009 to Lower Merion High School in Ardmore.
Split into simpler sentences: It was part of the school district's "One-to-One" initiative. The program was piloted in September 2008 at Harriton High School in Rosemont, Pennsylvania, and expanded in September 2009 to Lower Merion High School in Ardmore.