Rise and Shine: How School Start Times Affect Academic Performance

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Bibliographic Details
Title: Rise and Shine: How School Start Times Affect Academic Performance
Language: English
Authors: Heissel, Jennifer, Norris, Samuel
Source: Education Next. Sum 2019 19(3):54-61.
Availability: Hoover Institution. Stanford University, Stanford, CA 94305-6010. Tel: 800-935-2882; Fax: 650-723-8626; e-mail: educationnext@hoover.stanford.edu; Web site: http://educationnext.org/journal/
Peer Reviewed: Y
Page Count: 8
Publication Date: 2019
Document Type: Journal Articles
Reports - Research
Education Level: High Schools
Secondary Education
Descriptors: School Schedules, Sleep, Academic Achievement, Fatigue (Biology), Scores, Mathematics Tests, Reading Tests, High School Students, Time Factors (Learning), Puberty, Gender Differences, Educational Benefits
Geographic Terms: Florida
ISSN: 1539-9664
Abstract: American teenagers are chronically sleep deprived. As children enter puberty, physiological changes delay the onset of sleep and make it more difficult to wake up early in the morning. By the end of middle school, there is a large disconnect between biological sleep patterns and early-morning school schedules: one study found that students lose as much as two hours of sleep per night during the school year compared to the summer months, when they can better control their sleep schedules. Such deficits may have big implications for learning and cognition. Important memory formation and consolidation processes occur overnight, as the brain replays patterns of activity exhibited during learning. Could something as simple as changing when school starts each day really make a difference in how much students learn? And which students would benefit most from a later start time? The authors consider differences between sunrise and school start times among a group of public schools in northern Florida's "Panhandle," which straddles the central and eastern time zones. In this region, sunrise times differ, but school start times do not fully adjust for this difference. Students may start school at the same hour on the clock but not at the same "time"--those in the later time zone could have as much as one additional hour of early-morning daylight before school compared to their neighbors in the earlier zone. How does this affect their performance in school? The authors compare test scores for students between the ages of 8 and 15 who move from one time zone to the other and find substantial differences, especially for adolescents. A one-hour delay in start times relative to sunrise increases math scores by 8 percent of a standard deviation for adolescents--the equivalent of roughly three months of student learning--but by only 1 percent of a standard deviation for younger children. The effects on reading scores are similar, but smaller. These findings are the first to quantify the potential academic benefits of changing high-school start times--a seemingly straightforward policy that districts can find difficult to implement.
Abstractor: ERIC
Entry Date: 2019
Access URL: https://www.educationnext.org/journal/summer-2019-vol-19-no-3/
Accession Number: EJ1218320
Database: ERIC
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  Data: Rise and Shine: How School Start Times Affect Academic Performance
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  Data: Hoover Institution. Stanford University, Stanford, CA 94305-6010. Tel: 800-935-2882; Fax: 650-723-8626; e-mail: educationnext@hoover.stanford.edu; Web site: http://educationnext.org/journal/
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  Data: American teenagers are chronically sleep deprived. As children enter puberty, physiological changes delay the onset of sleep and make it more difficult to wake up early in the morning. By the end of middle school, there is a large disconnect between biological sleep patterns and early-morning school schedules: one study found that students lose as much as two hours of sleep per night during the school year compared to the summer months, when they can better control their sleep schedules. Such deficits may have big implications for learning and cognition. Important memory formation and consolidation processes occur overnight, as the brain replays patterns of activity exhibited during learning. Could something as simple as changing when school starts each day really make a difference in how much students learn? And which students would benefit most from a later start time? The authors consider differences between sunrise and school start times among a group of public schools in northern Florida's "Panhandle," which straddles the central and eastern time zones. In this region, sunrise times differ, but school start times do not fully adjust for this difference. Students may start school at the same hour on the clock but not at the same "time"--those in the later time zone could have as much as one additional hour of early-morning daylight before school compared to their neighbors in the earlier zone. How does this affect their performance in school? The authors compare test scores for students between the ages of 8 and 15 who move from one time zone to the other and find substantial differences, especially for adolescents. A one-hour delay in start times relative to sunrise increases math scores by 8 percent of a standard deviation for adolescents--the equivalent of roughly three months of student learning--but by only 1 percent of a standard deviation for younger children. The effects on reading scores are similar, but smaller. These findings are the first to quantify the potential academic benefits of changing high-school start times--a seemingly straightforward policy that districts can find difficult to implement.
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RecordInfo BibRecord:
  BibEntity:
    Languages:
      – Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 8
        StartPage: 54
    Subjects:
      – SubjectFull: School Schedules
        Type: general
      – SubjectFull: Sleep
        Type: general
      – SubjectFull: Academic Achievement
        Type: general
      – SubjectFull: Fatigue (Biology)
        Type: general
      – SubjectFull: Scores
        Type: general
      – SubjectFull: Mathematics Tests
        Type: general
      – SubjectFull: Reading Tests
        Type: general
      – SubjectFull: High School Students
        Type: general
      – SubjectFull: Time Factors (Learning)
        Type: general
      – SubjectFull: Puberty
        Type: general
      – SubjectFull: Gender Differences
        Type: general
      – SubjectFull: Educational Benefits
        Type: general
      – SubjectFull: Florida
        Type: general
    Titles:
      – TitleFull: Rise and Shine: How School Start Times Affect Academic Performance
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            NameFull: Heissel, Jennifer
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            NameFull: Norris, Samuel
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