This study aims to determine the effect of full day school on the discipline attitude of SMA AL-Huda Pekanbaru students. This research was conducted at SMA AL-Huda Pekanbaru with a total of 41 respondents. The background of this research is that not all students of SMA AL-Huda Pekanbaru are able to comply with the applicable rules, for example there are still students who arrive late, brin…