HISD is considering moving HS start times EARLIER next year (look down toward the middle). But recent research implies that high school students do better later in the day; apparently puberty shifts the 'chronotype' of adolescents to an 'evening preference'. Some districts have shown improvement in student participation and behavior with later times. Other studies have shown a correlation between sleep deficit and reduced creativity and performance.
Of course changing start times for high school students also impacts school faculty and staff, and parents and families. Students may find it difficult to have after-school jobs, long extra-curricular activities, or away-games against schools in other districts. Nevertheless, it appears that with enough planning, the overall effects can be positive for all involved.
I recommend you read the article from the March 2011 issue of "Educational Researcher." Some of the references in the article may be available online if you can't get the link above; please see below.
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- May, C. P., Hasher, L., & Foong, N. (2005). Implicit memory, age, and time of day: Paradoxical priming effects. Psychological Sciences, 16, 96–100.
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- National Sleep Foundation. (2005a). Changing school start times: Arlington, Virginia.
- National Sleep Foundation. (2005b). Changing school start times: Denver, Colorado.
- National Sleep Foundation. (2005c). Changing school start times: Fayette County, Kentucky.
- National Sleep Foundation. (2005d). Changing school start times: Jessamine County, Kentucky.
- National Sleep Foundation. (2005e). Changing school start times: Wilton, Connecticut.
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- Wrobel, G. D. (1999). The impact of school starting time on family life. Phi Delta Kappan, 80, 360–364.
- Yoon, C., May, C. P., & Hasher, L. (1999). Aging, circadian arousal patterns, and cognition. In D. Park & N. Schwartz (Eds.), Cognitive aging: A primer (pp. 151–170). Philadelphia: Psychology Press.
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