A local council requires facilities management services for ten schools based in their region.

Comprehensive and Detailed Explanation:

For high-value and high-risk contracts, such as facilities management services for multiple schools,competitive tenderingis the most appropriate sourcing approach. This process involves inviting multiple suppliers to submit bids, ensuring transparency, fairness, and the opportunity to assess various proposals to select the most suitable supplier. It helps in mitigating risks and achieving value for money.