The Ministry of Education has the largest portion of the national budget of 21% in Belize. Related studies in the region and around the world reveals that rural schools are not provided with highly qualified teachers. Likewise, multi-grade schools in the region and in Belize repeatedly perform lower on the Primary School Examination than their counterparts in mono-grade schools. The purpose of this study was to evaluate whether or not there is a significant difference in school location, school type, teacher certification, and teacher experience. In addition, seek to examine if there exist a relationship among content knowledge, pedagogical knowledge, and pedagogical content knowledge and PSE scores. The results indicated that there are significant differences between students' achievement and school location and school type. There is no statistical difference with students' achievement and teacher certification and teacher experience. In addition, there is no relationship with student achievement and teachers' content knowledge, pedagogical knowledge, and pedagogical content knowledge. [The dissertation citations contained here are published with the permission of ProQuest LLC. Further reproduction is prohibited without permission. Copies of dissertations may be obtained by Telephone (800) 1-800-521-0600. Web page: http://www.proquest.com.bibliotheek.ehb.be/en-US/products/dissertations/individuals.shtml.]