The study aims to determine the positive and significant influence of the Numbered Head Together (NHT) learning model by PAK teachers on the learning activity of young students in grade XI of SMA Negeri 1 Tinada, Pakpak Bharat Regency in the 2025/2026 Academic Year. hypothesis is that there is a significant positive influence between the Numbered Head Together (NHT) learning model by PAK teachers on the learning activity of class XI students of SMA Negeri 1 Tinada, Pakpak Bharat Regency in the 2025/2026 Academic Year. The population of all class XI students at SMA N 1 Tinada, Pakpak Bharat Regency who are Christian is 55 people. The sampling technique for all 11th grade students at SMA N 1 Tinada, Pakpak Bharat Regency, was 30 people. The research instrument was a questionnaire. The results of data analysis obtained: a) The value of r count = 0.690> r table = 0.361 and t count = 5.048> t table = 2.048 indicates a positive and significant relationship between the Numbered Head Together (NHT) learning model by Christian Religious Education teachers with the learning activity of 11th grade students of SMA Negeri 1 Tinada, Pakpak Bharat Regency, Academic Year 2025/2026. b) The regression equation Ŷ = 6.641 + 0.859X. c) The determination test found that the effect was 47.61%. d) The hypothesis test obtained F count = 25.44> F table = 3.34, so is rejected and is accepted. The study concluded that there was a positive and significant influence between the Numbered Head Together (NHT) learning model by PAK teachers on the learning activity of class XI students of SMA Negeri 1 Tinada, Pakpak Bharat Regency in the 2025/2026 Academic Year.
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