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Schools and their communities have always sought out the best teachers they could get in the belief that their students’ success depends on it. In fact, teacher quality is the most important school-related factor influencing students’ achievement. In order to measure the effectiveness of teacher quality on public high school students’ achievement, this study will offer implications by using geographic information systems (GIS). This GIS-based study will explore the relationship between the quality of the teacher and students’ success across the nation. The rate of highly qualified teacher (HQT) will be used as a measurement of teacher quality. The high school students’ average SAT score will be used as a measurement for students’ success. This study will also explore other factors that might affect students’ scoring rate.  \nKeywords: Teacher quality, student achievement, SAT score, HQT, GIS.  \nIntroduction  \nTeaching is arguably one of the most important jobs in society. Teaching is not only about passing knowledge to students, but also being aware of effective ways to transfer this knowledge. Obtaining knowledge and skills are not enough in educational settings (Kindle & Schmidt, 2011) . In fact, teacher quality is identified as the most important school influence on student learning.  \nThe definitions of teacher quality are grouped according to whether they focus on the qualifications of the teacher as a reflection of competence (degree, certification, subject matter credential, experience), the personal or psychological qualities of a teacher (such as love of children, honesty, compassion, fairness), the pedagogical standards that a teacher exhibits (use of certain teaching strategies, classroom management skills, establishment of a positive classroom climate), or the teacher’s demonstrated ability to raise student learning (successful or effective teaching) (Strong, 2011) .  \nSince teacher quality has become a top concern of educational policy, many studies have shown the correlation between student performance and the quality of the teacher. Recently, researchers have looked for changes in students’ test scores according to the teacher they were assigned as a measure of the quality of the teacher (National Center for Education Statistics, 2004) . It was indicated that a highly effective teacher is one whose students show the greatest gains from one year to the next (National Center for Education Statistics, 2004) . It is believed that high teaching quality impacts student learning performance in a significant way.  \nTherefore, to determine the relationship between student performance and teacher quality, this research will use the geographic information systems (GIS) as a visualization and analysis tool to investigate the effects of teacher quality on standardized tests scores-SAT-of high school students in the United States (U.S.) .  \nThis study will also explore other factors that might affect students’ standardized test scores other than teacher quality.  \nLiterature Review  \nStandardized Testing  \nStandardized tests have been a part of American education since the mid-1800s. In 2002, a new Act called No Child Left Behind Act (NCLB) was passed and made standardized tests mandatory for all 50 states in the United States (Menken & Solorza, 2014) . A standardized test is a test form that requires all test tak","cbCairbUjz4Bjid0","https://ap.wps.com/l/cbCairbUjz4Bjid0","pdf",720735,13,"English","# Abstract\n# Introduction\n## Teacher quality definitions and policy context\n## Research approach and variables\n# Literature Review\n## Standardized testing\n## Teacher quality","[{\"question\":\"How does the study define and measure teacher quality?\",\"answer\":\"Teacher quality is operationalized using the rate of highly qualified teachers (HQT). The paper also discusses common definitions grouped by qualifications, personal qualities, pedagogical standards, and demonstrated ability to raise learning.\"},{\"question\":\"What student success metric is used in the study?\",\"answer\":\"Students’ success is measured using the high school students’ average SAT score.\"},{\"question\":\"Why does the study use GIS, and what relationships does it analyze?\",\"answer\":\"GIS is used as a visualization and analysis tool to explore the relationship between teacher quality and standardized test scores across the nation, including potential additional factors affecting scoring rates.\"}]","A GIS Study Identifying the Range of Standardized Test Scores of High School Students in the United States Based on Teacher Quality | PDF",33]