The effect of the headmaster's l leadership of instruction and teachers' performance in improving students' academic achievements have become a hot issue that is widely discussed. Many pieces of research have been revealed that principal's l leadership of instruction style and teacher's performance has a strong effect on students' academic achievements at school. This article clearly discusses various research results regarding the effect of l leadership of instruction and teachers' performance on learners' academic attainments. The articles used as documents in this study are articles from various countries by researchers around the world. Some conditions are enforced as guarantors for the credibility of articles, such as articles from reputable international journals and articles from quantitative research. This article is a literature review that aims to check out the influence of the headmaster's l leadership of instruction and teachers' performance on improving students' educational achievements globally. Based on the results of the literature review, it was revealed that in 2003-2019, studies on empirical l leadership of instruction became rapidly implemented and developed in Asia, Africa, and Latin America. These studies show that teachers' teaching performance and students' academic achievements can be increased by improving the principal's l leadership of instruction performance.

The goal of this analysis is to define and explain how the principal's approach is to enhance the standard of education at public elementary schools (SDN) 11 Markati Jaya, and the reasons that become obstacles. The techniques of data collection were: 1) observation, 2) interviews, and 3) documentation. The analysis was done through three steps, they are: 1) data elimination, 2) data presentation, and 3) data verification. The findings of this analysis suggest that: 1) The main approach for enhancing the quality of education at SDN 11 Makarti Jaya is to provide feedback to teachers who aid in the learning process by preparing, conducting learning, reviewing, tracking, and teaching in providing guidance and advice to students; (2) The factors inhibiting the Principal's strategy for improving the standard of education in SDN 11 Makarti Jaya are the small number of teachers who meet the necessary qualifications, namely teachers who have to have a Bachelor's Educational degree (S1) because not all teachers who teach at SDN 11 Makarti Jaya have a linear educational background.