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Vega, Luis Diego – ProQuest LLC, 2014
This study explores the effects of a Two-Way Bilingual Immersion (TWBI) program on language majority and minority students. The fundamental hypothesis was that the process of receiving instruction in two languages (English and Spanish) throughout elementary school (i.e., attendance at a TWBI school) would help the native Spanish-speaking students…
Descriptors: Elementary School Students, Bilingual Education Programs, Quasiexperimental Design, Control Groups
Nunnery, John A.; Yen, Cherng-Jyh; Ross, Steven M. – Online Submission, 2011
The National Institute of School Leadership's (NISL's) Executive Development Program (EDP) was established to provide professional development to school leaders to drive their schools to high performance. The program emphasizes the role of principals as strategic thinkers, instructional leaders, and creators of a just, fair, and caring culture in…
Descriptors: Leadership Training, Management Development, Instructional Leadership, Principals
Nunnery, John A.; Ross, Steven M.; Yen, Cherng-jyh – Online Submission, 2010
This study examined the impact of NISL's [National Institute for School Leadership's] Executive Development Program for principals on student achievement in Pennsylvania schools between 2006-2009. Roughly half of the NISL-trained principals started the program during the 2007 school year and completed it in the 2008 school year, whereas the other…
Descriptors: Middle Schools, Elementary Schools, High Schools, Academic Achievement