Complex sentence: In 2008, Niagara-Wheatfield celebrated its "golden anniversary" of 50 years with a 1950's-style sock hop, inviting all NW alumni who have graduated from the school since its opening 50 years ago.
Split into simpler sentences: In 2008, Niagara-Wheatfield celebrated its "golden anniversary" of 50 years. The school is kicking off the celebration with a 1950's-style sock hop and will invite all NW alumni who have graduated from the school since its opening 50 years ago.