This research aims to analyze the influence of work motivation, work discipline, and work environment on teacher performance at SMA Negeri Sungai Apit District, Siak Regency. This research was carried out in two locations, namely SMA Negeri 2 and SMA Negeri 3 Sungai Apit. The research population consisted of all teachers in the two schools with a total of 42 people, and the entire population wa…