This study explores in-service high school mathematics teachers' conception of various forms of complex numbers and ways in which they transition between different representations of these forms. One 90-min interview was conducted with three high school mathematics teachers after they completed three professional development sessions, each 4 h, on…

The increase of enrollment in dual credit courses in high schools is staggering and traditional methods of delivering dual credit stop short of meeting the demand. In one newer model, college professors teach dual credit courses on high school campuses. However, little is known about how the uniqueness of the high school setting informs the…

This study explores two Korean American social studies teachers' perceptions and experiences of the teaching profession in multicultural, urban public high schools. Drawing upon critical race theory (CRT) and its interconnection to the model minority myth, the most dominant form of racism against Asians as theoretical underpinnings, this study…

The use of blended learning is fast becoming a practice used in public schools to address 21st century learning challenges. However, despite the growing use of instructional delivery models that blend online learning platforms with traditional instruction in brick and mortar classrooms, little is known about teachers' experiences with the…

This case study dissertation investigated the perceptions of mentor teachers in regard to their professional practice, teacher leadership, and workplace satisfaction. The researcher investigated the lived experiences of these teachers within the bounds of their prescribed relationships with a beginning teacher. This dissertation is motivated by…

The authors examined the characterization of mathematical knowledge of teachers using educative curriculum materials. In particular, they investigated knowledge of change and rate of change (in the context of algebra and functions) of 12 teachers with differing levels of experience. Participants used a same set of curriculum materials that embed…

This study examines teacher leadership within the framework of a specific school reform model, focusing on an empowered school culture, including teacher involvement in curriculum and instruction, school policy decisions, and professional development activities. Using a concurrent triangulation mixed methods design, data were collected through a…

Within a suburban school system, an achievement gap exists since not all students are meeting state and national educational benchmarks. Despite the efforts of the school system, the achievement gap is endemic and persistent. To address the achievement gap, the school system instituted a Differentiated Instruction (DI) initiative. However, it was…

Burnout is a syndrome consisting of emotional exhaustion (EE) and depersonalization (DPZ) (Yong & Yue, 2007). Teachers who fall victim to burnout are likely to be less sympathetic toward students, have a lower tolerance for classroom disruption, be less apt to prepare adequately for class, and feel less committed and dedicated to their work…

This paper documents efforts to develop an instrument to measure mathematical knowledge for teaching high school geometry (MKT-G). We report on the process of developing and piloting questions that purported to measure various domains of MKT-G. Scores on the final set of items had no statistical relationship with total years of experience…

Sixty percent of America's teachers choose traditional baccalaureate programs while the remaining choose one of several alternative pathways. While certification/training is certainly important to preparing effective teachers, other research indicates that teacher efficacy serves as the foundation of teacher behaviors and classroom practice. The…

Many students currently entering college are able to solve mathematical problems but often do not understand the chemistry concepts underlying their calculations. High school chemistry teachers from Texas and the United States (US) were surveyed as to what topics they teach in their chemistry classes. A subset of Texas teachers was also…

Attrition is a problem among special education teachers in an urban high school in a southern part of the United States. A high school special education department served as the local setting. The department was unique due to a high teacher attrition rate and high percentage of teachers with less than five years of teaching experience. The purpose…

Researchers have found that as students progress through school, the importance of language grows due to the content specificity that emerges, especially in the secondary grades, and due to the preparation of these students to enter adulthood once their schooling is completed. Even as students' instruction in various content areas becomes…

This case study investigated the effects of year-round school on students with learning disabilities at Abraxas High School in Poway, California. Abraxas is an alternative school that operates on a block schedule and year-round calendar. The researcher attempted to answer the question: How does year-round school impact students with learning…