Complex sentence: NISC facilities currently consist of six main buildings located in a spacious, green, purpose build campus, a 25-meter long by six-lane wide competition size swimming pool, tennis courts, and expansive grass playing fields.
Split into simpler sentences: NISC facilities currently consist of six main buildings located in a spacious, green, purpose build campus. Complementing these facilities is a 25-meter long by six-lane wide competition size swimming pool, tennis courts, and expansive grass playing fields.