Greenhill Academy Kibuli held the 17th Annual Thanksgiving Service on 29th April 2023 in the school field under the theme "There's no rock like our God" (1 Samuel 2:2). Thanksgiving service is an annual school event with the purpose of thanking God for the achievements of the previous year and dedicating the current year to God. It was a day of prayer and humility, giving thanks for God’s Providence.

The main celebrant was The Rt. Rev. Dr. Joel Obetia from Uganda Christian University, Mukono