Online learning in Illinois high schools: the voices of principals! / Anthony G. Picciano, Jeff Seaman, Scott L. Day -- Challenges, opportunities, and trends in quality K-12 online environments / Marius Boboc -- Meeting the demand for online education: a study of a state-run program designed to train virtual K-12 teachers / Jayme Nixon Linton, Wayne Journell -- Unbounded reading: why online learning for K-12 students should be a literacy issue / Dixie D. Massey -- Practical guidelines for creating online courses in K-12 education / Wayne Journell -- Synchronous text chat (EduTexting) as an online learning tool / Tina L. Heafner, Michelle Plaisance -- Learning theory and online learning in K-12 education: instructional models and implications / Alex Kumi-Yeboah -- Effective online learning begins with effective teacher preparation / Laura Corbin Frazier, Barbara Martin Palmer -- The ever-evolving educator: examining K-12 online teachers in the United States / Jean Larson, Leanna Archambault -- Online learning in K-college classrooms: students and teachers establish social, cognitive, and teaching presences in digital spaces / S. Michael Putman, Brian Kissel, Jean Vintinner, Amy J. Good -- Establishing a mentoring relationship between pre-service and mentor teachers through windows into teaching and learning / Teresa Petty, Tina L. Heafner, Abiola A. Farinde, Michelle Plaisance -- Providing elementary and middle school science teachers with content and pedagogical professional development in an online environment / Mary V. Mawn, Kathleen S. Davis -- Challenges and opportunities in the first year of a 1:1 iPad initiative in a high-poverty, highly diverse urban high school / Gayle Y. Thieman -- Teaching history in the digital age / Scott M. Waring -- 3D multi-user virtual environments in science education: potential and challenges / Yufeng Qian -- Online discussion boards in the constructivist classroom / Lauren Lunsford, Bonnie Smith Whitehouse, Jason F. Lovvorn -- Best pedagogical practices for acknowledging and accommodating diversity in online courses / Christina Nash -- The integration of culturally relevant pedagogy and project-based learning in a blended environment / Daniel Kelvin Bullock -- High school teachers' gender-oriented perceptions of technology integration / Tina L. Heafner, Eric Groce, Elizabeth Bellows, Heather Coffey, Mette Evelyn Bjerre.